diff --git a/.editorconfig b/.editorconfig
index 93b94d1685..f251c140e6 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -236,7 +236,7 @@ csharp_style_prefer_readonly_struct_member = true
 # Code-block preferences
 csharp_prefer_braces = false:warning
 csharp_prefer_simple_using_statement = true
-# csharp_style_namespace_declarations = file_scoped #This allows for no {  } for namespaces
+csharp_style_namespace_declarations = file_scoped:error #This allows for no {  } for namespaces
 csharp_style_prefer_method_group_conversion = true
 csharp_style_prefer_primary_constructors = false:warning
 csharp_style_prefer_top_level_statements = true