diff --git a/src/DotVVM.CommandLine/DotVVM.CommandLine.csproj b/src/DotVVM.CommandLine/DotVVM.CommandLine.csproj
index f3bef00312..58b076a54d 100644
--- a/src/DotVVM.CommandLine/DotVVM.CommandLine.csproj
+++ b/src/DotVVM.CommandLine/DotVVM.CommandLine.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <AssemblyTitle>DotVVM.CommandLine</AssemblyTitle>
     <AssemblyName>dotnet-dotvvm</AssemblyName>
-    <VersionPrefix>3.1.0-preview05-final</VersionPrefix>
+    <VersionPrefix>3.1.0-preview06-final</VersionPrefix>
     <TargetFramework>netcoreapp2.1</TargetFramework>
     <AssemblyOriginatorKeyFile>dotvvmwizard.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
@@ -21,7 +21,7 @@
     <NuspecFile>$(MSBuildProjectName).nuspec</NuspecFile>
     <PublicSign Condition=" '$(OS)' != 'Windows_NT' ">true</PublicSign>
     <PackageId>DotVVM.CommandLine</PackageId>
-    <PackageVersion>3.1.0-preview05-final</PackageVersion>
+    <PackageVersion>3.1.0-preview06-final</PackageVersion>
     <Authors>RIGANTI</Authors>
     <Description>Command-line tools for DotVVM.</Description>
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
diff --git a/src/DotVVM.Core/DotVVM.Core.csproj b/src/DotVVM.Core/DotVVM.Core.csproj
index 80fba6697e..cf0543f903 100644
--- a/src/DotVVM.Core/DotVVM.Core.csproj
+++ b/src/DotVVM.Core/DotVVM.Core.csproj
@@ -1,6 +1,6 @@
 <Project ToolsVersion="15.0" Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <VersionPrefix>3.1.0-preview05-final</VersionPrefix>
+    <VersionPrefix>3.1.0-preview06-final</VersionPrefix>
     <TargetFrameworks>netstandard1.6;net451</TargetFrameworks>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
@@ -17,7 +17,7 @@
     <GenerateAssemblyVersionAttribute>false</GenerateAssemblyVersionAttribute>
     <GenerateAssemblyFileVersionAttribute>false</GenerateAssemblyFileVersionAttribute>
     <PackageId>DotVVM.Core</PackageId>
-    <PackageVersion>3.1.0-preview05-final</PackageVersion>
+    <PackageVersion>3.1.0-preview06-final</PackageVersion>
     <Authors>RIGANTI</Authors>
     <Description>This package contains base classes and interfaces of DotVVM that might be useful in a business layer.
     DotVVM is an open source ASP.NET-based framework which allows to build modern web apps without writing any JavaScript code.</Description>
diff --git a/src/DotVVM.Framework.Api.Swashbuckle.AspNetCore/DotVVM.Framework.Api.Swashbuckle.AspNetCore.csproj b/src/DotVVM.Framework.Api.Swashbuckle.AspNetCore/DotVVM.Framework.Api.Swashbuckle.AspNetCore.csproj
index 283e8eb585..0e468a3ffb 100644
--- a/src/DotVVM.Framework.Api.Swashbuckle.AspNetCore/DotVVM.Framework.Api.Swashbuckle.AspNetCore.csproj
+++ b/src/DotVVM.Framework.Api.Swashbuckle.AspNetCore/DotVVM.Framework.Api.Swashbuckle.AspNetCore.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
     <PackageId>DotVVM.Api.Swashbuckle.AspNetCore</PackageId>
-    <PackageVersion>3.1.0-preview05-final</PackageVersion>
+    <PackageVersion>3.1.0-preview06-final</PackageVersion>
     <Authors>RIGANTI</Authors>
     <Description>Swashbuckle.AspNetCore extensions for DotVVM.</Description>
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
diff --git a/src/DotVVM.Framework.Api.Swashbuckle.Owin/DotVVM.Framework.Api.Swashbuckle.Owin.csproj b/src/DotVVM.Framework.Api.Swashbuckle.Owin/DotVVM.Framework.Api.Swashbuckle.Owin.csproj
index 2ac1259624..443f99adba 100644
--- a/src/DotVVM.Framework.Api.Swashbuckle.Owin/DotVVM.Framework.Api.Swashbuckle.Owin.csproj
+++ b/src/DotVVM.Framework.Api.Swashbuckle.Owin/DotVVM.Framework.Api.Swashbuckle.Owin.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFramework>net451</TargetFramework>
     <PackageId>DotVVM.Api.Swashbuckle.Owin</PackageId>
-    <PackageVersion>3.1.0-preview05-final</PackageVersion>
+    <PackageVersion>3.1.0-preview06-final</PackageVersion>
     <Authors>RIGANTI</Authors>
     <Description>Swashbuckle.Owin extensions for DotVVM.</Description>
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
diff --git a/src/DotVVM.Framework.Hosting.AspNetCore/DotVVM.Framework.Hosting.AspNetCore.csproj b/src/DotVVM.Framework.Hosting.AspNetCore/DotVVM.Framework.Hosting.AspNetCore.csproj
index 6568d0425c..77b659fbb2 100644
--- a/src/DotVVM.Framework.Hosting.AspNetCore/DotVVM.Framework.Hosting.AspNetCore.csproj
+++ b/src/DotVVM.Framework.Hosting.AspNetCore/DotVVM.Framework.Hosting.AspNetCore.csproj
@@ -1,6 +1,6 @@
 <Project ToolsVersion="15.0" Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <VersionPrefix>3.1.0-preview05-final</VersionPrefix>
+    <VersionPrefix>3.1.0-preview06-final</VersionPrefix>
     <TargetFrameworks>netstandard2.0</TargetFrameworks>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
@@ -17,7 +17,7 @@
     <GenerateAssemblyVersionAttribute>false</GenerateAssemblyVersionAttribute>
     <GenerateAssemblyFileVersionAttribute>false</GenerateAssemblyFileVersionAttribute>
     <PackageId>DotVVM.AspNetCore</PackageId>
-    <PackageVersion>3.1.0-preview05-final</PackageVersion>
+    <PackageVersion>3.1.0-preview06-final</PackageVersion>
     <Authors>RIGANTI</Authors>
     <Description>
       This package contains ASP.NET Core middleware and hosting infrastructure for DotVVM apps. It supports both .NET Framework and .NET Core.
diff --git a/src/DotVVM.Framework.Hosting.Owin/DotVVM.Framework.Hosting.Owin.csproj b/src/DotVVM.Framework.Hosting.Owin/DotVVM.Framework.Hosting.Owin.csproj
index bd46061d37..a87c0c4a9b 100644
--- a/src/DotVVM.Framework.Hosting.Owin/DotVVM.Framework.Hosting.Owin.csproj
+++ b/src/DotVVM.Framework.Hosting.Owin/DotVVM.Framework.Hosting.Owin.csproj
@@ -1,6 +1,6 @@
 <Project ToolsVersion="15.0" Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <VersionPrefix>3.1.0-preview05-final</VersionPrefix>
+    <VersionPrefix>3.1.0-preview06-final</VersionPrefix>
     <TargetFramework>net451</TargetFramework>
     <RuntimeIdentifiers>win7-x64;win7-x86</RuntimeIdentifiers>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
@@ -17,7 +17,7 @@
     <GenerateAssemblyVersionAttribute>false</GenerateAssemblyVersionAttribute>
     <GenerateAssemblyFileVersionAttribute>false</GenerateAssemblyFileVersionAttribute>
     <PackageId>DotVVM.Owin</PackageId>
-    <PackageVersion>3.1.0-preview05-final</PackageVersion>
+    <PackageVersion>3.1.0-preview06-final</PackageVersion>
     <Authors>RIGANTI</Authors>
     <Description>
       This package contains OWIN middleware and hosting infrastructure for DotVVM apps.
diff --git a/src/DotVVM.Framework/Compilation/Binding/MemberExpressionFactory.cs b/src/DotVVM.Framework/Compilation/Binding/MemberExpressionFactory.cs
index 411272b30a..149ab6741b 100644
--- a/src/DotVVM.Framework/Compilation/Binding/MemberExpressionFactory.cs
+++ b/src/DotVVM.Framework/Compilation/Binding/MemberExpressionFactory.cs
@@ -192,8 +192,7 @@ public Expression CallMethod(Expression target, BindingFlags flags, string name,
             if (method.IsExtension)
             {
                 // Change to a static call
-                var newArguments = new[] { method.Arguments.First() }.Concat(method.Arguments.Skip(1));
-                return Expression.Call(method.Method, newArguments);
+                return Expression.Call(method.Method, method.Arguments);
             }
             return Expression.Call(target, method.Method, method.Arguments);
         }
diff --git a/src/DotVVM.Framework/DotVVM.Framework.csproj b/src/DotVVM.Framework/DotVVM.Framework.csproj
index 05d68f86a7..bac2b2733e 100644
--- a/src/DotVVM.Framework/DotVVM.Framework.csproj
+++ b/src/DotVVM.Framework/DotVVM.Framework.csproj
@@ -1,7 +1,7 @@
 <Project ToolsVersion="15.0" Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AssemblyTitle>DotVVM</AssemblyTitle>
-    <VersionPrefix>3.1.0-preview05-final</VersionPrefix>
+    <VersionPrefix>3.1.0-preview06-final</VersionPrefix>
     <TargetFrameworks>net451;netstandard2.0;netstandard2.1</TargetFrameworks>
     <NoWarn>$(NoWarn);CS1591;CS1573</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
@@ -9,7 +9,7 @@
     <SignAssembly>true</SignAssembly>
     <PublicSign Condition=" '$(OS)' != 'Windows_NT' ">true</PublicSign>
     <PackageId>DotVVM</PackageId>
-    <PackageVersion>3.1.0-preview05-final</PackageVersion>
+    <PackageVersion>3.1.0-preview06-final</PackageVersion>
     <Authors>RIGANTI</Authors>
     <Description>DotVVM is an open source ASP.NET-based framework which allows to build modern web apps without writing any JavaScript code.</Description>
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
diff --git a/src/DotVVM.Tools.StartupPerfTester/DotVVM.Tools.StartupPerfTester.csproj b/src/DotVVM.Tools.StartupPerfTester/DotVVM.Tools.StartupPerfTester.csproj
index 2121dcb6d9..d0e1bded1a 100644
--- a/src/DotVVM.Tools.StartupPerfTester/DotVVM.Tools.StartupPerfTester.csproj
+++ b/src/DotVVM.Tools.StartupPerfTester/DotVVM.Tools.StartupPerfTester.csproj
@@ -8,7 +8,7 @@
     <ToolCommandName>dotvvm-startup-perf</ToolCommandName>
     <PublicSign Condition=" '$(OS)' != 'Windows_NT' ">true</PublicSign>
     <PackageId>DotVVM.Tools.StartupPerf</PackageId>
-    <PackageVersion>3.1.0-preview05-final</PackageVersion>
+    <PackageVersion>3.1.0-preview06-final</PackageVersion>
     <Authors>RIGANTI</Authors>
     <Description>Command-line tool for measuring startup performance of DotVVM apps.</Description>
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
diff --git a/src/Templates/DotVVM.Templates.nuspec b/src/Templates/DotVVM.Templates.nuspec
index f5d6c72c6a..14e1d9c9ec 100644
--- a/src/Templates/DotVVM.Templates.nuspec
+++ b/src/Templates/DotVVM.Templates.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
   <metadata>
     <id>DotVVM.Templates</id>
-    <version>3.1.0-preview05-final</version>
+    <version>3.1.0-preview06-final</version>
     <authors>RIGANTI</authors>
     <description>DotVVM Project Templates</description>
     <language>en-US</language>