diff --git a/src/cb_dasIMGUI.h b/src/cb_dasIMGUI.h
index 29cad65..7bf3984 100644
--- a/src/cb_dasIMGUI.h
+++ b/src/cb_dasIMGUI.h
@@ -161,7 +161,7 @@ struct imguiTempFn {
 
         bool anyString = false;
         for ( auto &arg : fn->arguments ) {
-            if ( arg->type->constant && arg->type->ref && arg->type->dim.size() == 0 ) {
+            if ( arg->type->constant && arg->type->ref && !arg->type->isArray() ) {
                 if ( arg->type->baseType == Type::tFloat2 || arg->type->baseType == Type::tFloat4 ) {
                     arg->type->ref = false;
                 }
diff --git a/src/dasIMGUI.main.cpp b/src/dasIMGUI.main.cpp
index 615c4b1..0b5f4ae 100644
--- a/src/dasIMGUI.main.cpp
+++ b/src/dasIMGUI.main.cpp
@@ -820,7 +820,7 @@ namespace das {
         for ( auto & pfn : this->functions.each() ) {
             bool anyString = false;
             for ( auto & arg : pfn->arguments ) {
-                if ( arg->type->constant && arg->type->ref && arg->type->dim.size()==0 ) {
+                if ( arg->type->constant && arg->type->ref && !arg->type->isArray() ) {
                     if ( arg->type->baseType==Type::tFloat2 || arg->type->baseType==Type::tFloat4 ) {
                         arg->type->ref = false;
                     }