diff --git a/src/set/set.c b/src/set/set.c
index 2fbfe6a..9698157 100644
--- a/src/set/set.c
+++ b/src/set/set.c
@@ -2698,13 +2698,15 @@ int createFunction(Function* function, AST_NODE_PTR currentNode) {
 
         // compose function name by appending parent modules
         char* modules = module_ref_to_str(currentNode->location.module_ref);
-        char* composed_name =
-          g_strjoin("", modules, "::", function->name, NULL);
-        char* cached_composed_name =
-          mem_strdup(MemoryNamespaceSet, composed_name);
+        if (strlen(modules) > 0) {
+            char* composed_name =
+              g_strjoin("", modules, "::", function->name, NULL);
+            char* cached_composed_name =
+              mem_strdup(MemoryNamespaceSet, composed_name);
 
-        g_free(composed_name);
-        function->name = cached_composed_name;
+            g_free(composed_name);
+            function->name = cached_composed_name;
+        }
     }
 
     mem_free(functionParameter);