diff --git a/imgui.h b/imgui.h
index 5323223c6..36ec6e118 100644
--- a/imgui.h
+++ b/imgui.h
@@ -457,13 +457,13 @@ enum ImGuiWindowFlags_
     ImGuiWindowFlags_ShowBorders            = 1 << 7,   // Show borders around windows and items
     ImGuiWindowFlags_NoSavedSettings        = 1 << 8,   // Never load/save settings in .ini file
     // [Internal]
-    ImGuiWindowFlags_ChildWindow            = 1 << 9,   // For internal use by BeginChild()
-    ImGuiWindowFlags_ChildWindowAutoFitX    = 1 << 10,  // For internal use by BeginChild()
-    ImGuiWindowFlags_ChildWindowAutoFitY    = 1 << 11,  // For internal use by BeginChild()
-    ImGuiWindowFlags_ComboBox               = 1 << 12,  // For internal use by ComboBox()
-    ImGuiWindowFlags_Tooltip                = 1 << 13,  // For internal use by BeginTooltip()
-    ImGuiWindowFlags_Popup                  = 1 << 14,  // For internal use by BeginPopup()
-    ImGuiWindowFlags_Menu                   = 1 << 15   // For internal use by BeginMenu()
+    ImGuiWindowFlags_ChildWindow            = 1 << 20,  // Don't use! For internal use by BeginChild()
+    ImGuiWindowFlags_ChildWindowAutoFitX    = 1 << 21,  // Don't use! For internal use by BeginChild()
+    ImGuiWindowFlags_ChildWindowAutoFitY    = 1 << 22,  // Don't use! For internal use by BeginChild()
+    ImGuiWindowFlags_ComboBox               = 1 << 23,  // Don't use! For internal use by ComboBox()
+    ImGuiWindowFlags_Tooltip                = 1 << 24,  // Don't use! For internal use by BeginTooltip()
+    ImGuiWindowFlags_Popup                  = 1 << 25,  // Don't use! For internal use by BeginPopup()
+    ImGuiWindowFlags_Menu                   = 1 << 26   // Don't use! For internal use by BeginMenu()
 
 };