diff --git a/Resources/Private/Fusion/External/Case.fusion b/Resources/Private/Fusion/External/Case.fusion
index adb8bf2..f0b6938 100644
--- a/Resources/Private/Fusion/External/Case.fusion
+++ b/Resources/Private/Fusion/External/Case.fusion
@@ -9,7 +9,7 @@ prototype(Carbon.IncludeAssets:Case) < prototype(Neos.Fusion:Component) {
         alwaysInclude = ${PropTypes.boolean}
     }
 
-    mixin = null
+    mixin = ${null}
     document = ${this.mixin}
     content = ${this.mixin}
     appendFilter = ''
diff --git a/Resources/Private/Fusion/External/Collection.fusion b/Resources/Private/Fusion/External/Collection.fusion
index d1bb4d3..3435032 100644
--- a/Resources/Private/Fusion/External/Collection.fusion
+++ b/Resources/Private/Fusion/External/Collection.fusion
@@ -31,11 +31,11 @@ prototype(Carbon.IncludeAssets:Collection) < prototype(Neos.Fusion:Component) {
     }
 
     collection = ${[]}
-    assetPackage = null
+    assetPackage = ${null}
     cacheBuster = ${Configuration.setting('Carbon.IncludeAssets.Default.CacheBuster')}
     disableCacheBusterForPreloadAsset = ${Configuration.setting('Carbon.IncludeAssets.Default.DisableCacheBusterForPreloadAsset')}
     paths = ${Configuration.setting('Carbon.IncludeAssets.Default.Path')}
-    wrapper = null
+    wrapper = ${null}
 
     @if.hasAssetPackage = ${this.assetPackage && Type.isArray(this.collection) && Array.length(this.collection)}
 
diff --git a/Resources/Private/Fusion/External/File.fusion b/Resources/Private/Fusion/External/File.fusion
index c35e406..ecb7db6 100644
--- a/Resources/Private/Fusion/External/File.fusion
+++ b/Resources/Private/Fusion/External/File.fusion
@@ -12,12 +12,12 @@ prototype(Carbon.IncludeAssets:File) < prototype(Neos.Fusion:Component) {
         wrapper = ${PropTypes.string}
     }
 
-    file = null
+    file = ${null}
     assetPackage = ${node.context.currentSite.siteResourcesPackageKey}
     cacheBuster = ${Configuration.setting('Carbon.IncludeAssets.Default.CacheBuster')}
     disableCacheBusterForPreloadAsset = ${Configuration.setting('Carbon.IncludeAssets.Default.DisableCacheBusterForPreloadAsset')}
-    assetPath = null
-    wrapper = null
+    assetPath = ${null}
+    wrapper = ${null}
 
     // This is a internal variable, please use `assetPath` for an single file
     paths = ${Configuration.setting('Carbon.IncludeAssets.Default.Path')}
diff --git a/Resources/Private/Fusion/External/ResourceHints.fusion b/Resources/Private/Fusion/External/ResourceHints.fusion
index 43c059b..bf2dc25 100644
--- a/Resources/Private/Fusion/External/ResourceHints.fusion
+++ b/Resources/Private/Fusion/External/ResourceHints.fusion
@@ -30,9 +30,9 @@ prototype(Carbon.IncludeAssets:ResourceHints) < prototype(Neos.Fusion:Component)
     modulePreload = ${Configuration.setting('Carbon.IncludeAssets.ResourceHints.ModulePreload')}
 
     // Pass documentNodes who should be preloaded (Array, FlowQuery or a single node)
-    preloadNodes = null
+    preloadNodes = ${null}
     // Pass documentNodes who should be prerendererd (Array, FlowQuery or a single node)
-    prerenderNodes = null
+    prerenderNodes = ${null}
 
     renderer = afx`
         <Carbon.IncludeAssets:ResourceHints.Items @key='dnsPrefetch' items={props.dnsPrefetch} rel='dns-prefetch' />
@@ -54,8 +54,8 @@ prototype(Carbon.IncludeAssets:ResourceHints.Items) < prototype(Neos.Fusion:Comp
         type = ${PropTypes.oneOf(['modulepreload', 'resourcehint'])}
     }
 
-    items = null
-    rel = null
+    items = ${null}
+    rel = ${null}
     type = ${this.rel == 'modulepreload' ? 'modulepreload' : 'resourcehint'}
 
 
@@ -80,9 +80,9 @@ prototype(Carbon.IncludeAssets:ResourceHints.Nodes) < prototype(Neos.Fusion:Comp
         type = ${PropTypes.string}
     }
 
-    items = null
-    rel = null
-    as = null
+    items = ${null}
+    rel = ${null}
+    as = ${null}
 
     // Internal
     items.@process {
@@ -106,4 +106,3 @@ prototype(Carbon.IncludeAssets:ResourceHints.Nodes) < prototype(Neos.Fusion:Comp
         `
     }
 }
-
diff --git a/Resources/Private/Fusion/Internal/Assets.fusion b/Resources/Private/Fusion/Internal/Assets.fusion
index 2e4217a..a678e7f 100644
--- a/Resources/Private/Fusion/Internal/Assets.fusion
+++ b/Resources/Private/Fusion/Internal/Assets.fusion
@@ -4,7 +4,7 @@
 
 prototype(Carbon.IncludeAssets:Internal.Assets) < prototype(Neos.Fusion:Component) {
     // Body || Head || BodyStart || HeadStart
-    location = null
+    location = ${null}
 
     loadJSforCSSAsynchron = ${Configuration.setting('Carbon.IncludeAssets.LoadJSforCSSAsynchron') && this.location == 'Head'}
     packages = ${Configuration.setting('Carbon.IncludeAssets.Packages')}
diff --git a/Resources/Private/Fusion/Internal/InlineFile.fusion b/Resources/Private/Fusion/Internal/InlineFile.fusion
index 39726fc..e1dd654 100644
--- a/Resources/Private/Fusion/Internal/InlineFile.fusion
+++ b/Resources/Private/Fusion/Internal/InlineFile.fusion
@@ -1,8 +1,8 @@
 prototype(Carbon.IncludeAssets:Internal.InlineFile) < prototype(Carbon.IncludeAssets:Internal.TypeCase) {
     @if.set = ${this.path && this.type && this.content}
 
-    path = null
-    type = null
+    path = ${null}
+    type = ${null}
     attributes = ''
     content = ${String.trim(Carbon.FileContent.path(this.path))}
     css = ${'<style' + this.attributes +'>' + this.content + '</style>'}
diff --git a/Resources/Private/Fusion/Internal/Package.fusion b/Resources/Private/Fusion/Internal/Package.fusion
index 79d2384..5680701 100644
--- a/Resources/Private/Fusion/Internal/Package.fusion
+++ b/Resources/Private/Fusion/Internal/Package.fusion
@@ -4,7 +4,7 @@
 
 prototype(Carbon.IncludeAssets:Internal.Package) < prototype(Neos.Fusion:Component) {
     // Body || Head || BodyStart || HeadStart
-    location = null
+    location = ${null}
     // The config for the package
     config = Neos.Fusion:DataStructure
 
diff --git a/Resources/Private/Fusion/Internal/Tag.fusion b/Resources/Private/Fusion/Internal/Tag.fusion
index 4f22edc..b058051 100644
--- a/Resources/Private/Fusion/Internal/Tag.fusion
+++ b/Resources/Private/Fusion/Internal/Tag.fusion
@@ -1,6 +1,6 @@
 prototype(Carbon.IncludeAssets:Internal.Tag) < prototype(Neos.Fusion:Component) {
-    path = null
-    fileObject = null
+    path = ${null}
+    fileObject = ${null}
     cacheBuster = false
     async = ${this.fileObject.async}
     external = ${this.fileObject.external}
@@ -30,7 +30,7 @@ prototype(Carbon.IncludeAssets:Internal.Tag) < prototype(Neos.Fusion:Component)
 
 prototype(Carbon.IncludeAssets:Internal.Tag.ResourceHint) < prototype(Carbon.IncludeAssets:Internal.Tag) {
     async = false
-    rel = null
+    rel = ${null}
     disableCacheBusterForPreloadAsset = true
     cacheBuster.@process.disableForPreloadasset = ${this.disableCacheBusterForPreloadAsset && this.fileObject && this.fileObject.type == 'PRELOADASSET' ? false : value}
     @if.hasRel = ${this.rel}
diff --git a/Resources/Private/Fusion/Internal/TypeCase.fusion b/Resources/Private/Fusion/Internal/TypeCase.fusion
index e796f43..7d00794 100644
--- a/Resources/Private/Fusion/Internal/TypeCase.fusion
+++ b/Resources/Private/Fusion/Internal/TypeCase.fusion
@@ -7,7 +7,7 @@
  */
 
 prototype(Carbon.IncludeAssets:Internal.TypeCase) < prototype(Neos.Fusion:Component) {
-    type = null
+    type = ${null}
     html = ''
     js = ''
     css = ''
diff --git a/Resources/Private/Fusion/Internal/Wrapper.fusion b/Resources/Private/Fusion/Internal/Wrapper.fusion
index e157342..45b6a21 100644
--- a/Resources/Private/Fusion/Internal/Wrapper.fusion
+++ b/Resources/Private/Fusion/Internal/Wrapper.fusion
@@ -1,6 +1,6 @@
 prototype(Carbon.IncludeAssets:Internal.Wrapper) < prototype(Neos.Fusion:Value) {
     content = ${value}
-    wrapper = null
+    wrapper = ${null}
     wrapper.@if.hasContent = ${this.content}
     wrapper.@process.split = ${value && Type.isString(value) ? String.split(value, '{content}') : null}
     nl = ${String.chr(10)}