diff --git a/imgui_internal.h b/imgui_internal.h
index ed9365b9..73b3f2ed 100644
--- a/imgui_internal.h
+++ b/imgui_internal.h
@@ -2149,7 +2149,7 @@ struct ImGuiContext
     ImU8                    DebugItemPickerMouseButton;
     ImGuiID                 DebugItemPickerBreakId;             // Will call IM_DEBUG_BREAK() when encountering this ID
     ImGuiMetricsConfig      DebugMetricsConfig;
-    ImGuiIDStackTool        DebugIdStackTool;
+    ImGuiIDStackTool        DebugIDStackTool;
     ImGuiDebugAllocInfo     DebugAllocInfo;
 
     // Misc