diff --git a/IDEHelper/Compiler/BfExprEvaluator.cpp b/IDEHelper/Compiler/BfExprEvaluator.cpp
index d024e22b..21bb84fd 100644
--- a/IDEHelper/Compiler/BfExprEvaluator.cpp
+++ b/IDEHelper/Compiler/BfExprEvaluator.cpp
@@ -3668,8 +3668,10 @@ BfTypedValue BfExprEvaluator::LoadLocal(BfLocalVariable* varDecl, bool allowRef)
 		else
 		{
 			BfTypedValueKind kind;
-			if ((varDecl->mResolvedType->IsComposite()) && (varDecl->IsParam()) && (mModule->mCurMethodState->mMixinState == NULL))
+			if ((varDecl->mResolvedType->IsComposite()) && (varDecl->mValue.IsArg()))
+			{
 				kind = varDecl->mIsReadOnly ? BfTypedValueKind_ReadOnlyAddr : BfTypedValueKind_Addr;
+			}
 			else
 				kind = BfTypedValueKind_Value;
 			localResult = BfTypedValue(varDecl->mValue, varDecl->mResolvedType, kind);
diff --git a/IDEHelper/Tests/src/ConstEval.bf b/IDEHelper/Tests/src/ConstEval.bf
index 68bd1bb4..9f74e7d5 100644
--- a/IDEHelper/Tests/src/ConstEval.bf
+++ b/IDEHelper/Tests/src/ConstEval.bf
@@ -135,6 +135,16 @@ namespace Tests
 			public const let cVal1 = StrToValue("1.23");
 		}
 
+		[Comptime]
+		static int StrLenMixin(StringView str)
+		{
+		    mixin test()
+			{
+		        str.Length
+		    }
+		    return test!();
+		}
+
 		[Test]
 		public static void TestBasics()
 		{
@@ -172,6 +182,7 @@ namespace Tests
 			Test.Assert([ConstEval]MethodB() == 1);
 
 			Test.Assert(MethodC() == 1753);
+			Test.Assert(StrLenMixin("ABCD") == 4);
 		}
 	}
 }