diff --git a/bindings/GeometryDash.bro b/bindings/GeometryDash.bro
index 972d4d33..6cd5c72e 100644
--- a/bindings/GeometryDash.bro
+++ b/bindings/GeometryDash.bro
@@ -3692,7 +3692,7 @@ class LevelEditorLayer : GJBaseGameLayer, LevelSettingsDelegate {
     }
     void updateOptions() = mac 0x91ed0, win 0x15fcc0;
     void updateToggledGroups() = mac 0x9bb10;
-    void updateVisibility(float) = mac 0x92c70, win 0x1632b0;
+    callback void updateVisibility(float delta) = mac 0x92c70, win 0x1632b0;
 
     void groupStickyObjects(cocos2d::CCArray* objects) = mac 0x99dd0, win 0x164860;
     void ungroupStickyObjects(cocos2d::CCArray* objects) = mac 0x99ee0, win 0x164950;
diff --git a/codegen/src/Shared.hpp b/codegen/src/Shared.hpp
index 371d868d..d6e414a8 100644
--- a/codegen/src/Shared.hpp
+++ b/codegen/src/Shared.hpp
@@ -184,7 +184,7 @@ namespace codegen {
                 if (status == BindStatus::Binded) return "tulip::hook::CdeclConvention";
                 else return "tulip::hook::OptcallConvention";
             }
-            else if (fn->is_virtual) {
+            else if (fn->is_virtual || fn->is_callback) {
                 return "tulip::hook::ThiscallConvention";
             }
             else {
@@ -205,7 +205,7 @@ namespace codegen {
                 if (status == BindStatus::Binded) return "Cdecl";
                 else return "Optcall";
             }
-            else if (fn->is_virtual) {
+            else if (fn->is_virtual || fn->is_callback) {
                 return "Thiscall";
             }
             else {