diff --git a/IDEHelper/Compiler/BfExprEvaluator.cpp b/IDEHelper/Compiler/BfExprEvaluator.cpp
index f4b6597e..d9df2522 100644
--- a/IDEHelper/Compiler/BfExprEvaluator.cpp
+++ b/IDEHelper/Compiler/BfExprEvaluator.cpp
@@ -13738,6 +13738,9 @@ void BfExprEvaluator::InjectMixin(BfAstNode* targetSrc, BfTypedValue target, boo
 			}
 			argValue = arg->mTypedValue;
 		}
+
+		if (!argValue)
+			continue;
 		
 		localVar->mResolvedType = argValue.mType;				
 		if (argValue.mType->IsRef())