diff --git a/src/UnityNuGet/NuGetHelper.cs b/src/UnityNuGet/NuGetHelper.cs
index 4b62b8ef..7266c3d0 100644
--- a/src/UnityNuGet/NuGetHelper.cs
+++ b/src/UnityNuGet/NuGetHelper.cs
@@ -56,9 +56,9 @@ bool IsResource()
 
             bool CS() => file.Contains("/cs/", StringComparison.OrdinalIgnoreCase);
             bool VB() => file.Contains("/vb/", StringComparison.OrdinalIgnoreCase);
-                
+
             // Czech locale is cs, catch /vb/cs/
-            return IsResource() && CS() && !VB();
+            return IsResource() && ((!CS() && !VB()) || (CS() && !VB()));
         }
 
         public static bool IsApplicableUnitySupportedRoslynVersionFolder(string file)