1 files changed, 4 insertions, 0 deletions
diff --git a/source/slang/slang-check-expr.cpp b/source/slang/slang-check-expr.cpp
index ff74f9a62..065a74c77 100644
--- a/source/slang/slang-check-expr.cpp
+++ b/source/slang/slang-check-expr.cpp
@@ -4173,6 +4173,10 @@ namespace Slang
                 {
                     expr->type.isLeftValue = true;
                 }
+                else if (funcDeclBase->hasModifier<RefAttribute>())
+                {
+                    expr->type.isLeftValue = true;
+                }
             }
             else if( auto typeOrExtensionDecl = as<AggTypeDeclBase>(containerDecl) )
             {