diff --git a/imgui.cpp b/imgui.cpp
index 4f49d1cd..01d81ec4 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -1104,7 +1104,7 @@ static ImGuiWindow* GetCurrentWindow()
 
 static void SetActiveId(ImGuiID id) 
 {
-    GImGui.ActiveId = id; 
+    GImGui->ActiveId = id; 
 }
 
 static void RegisterAliveId(const ImGuiID& id)