diff --git a/imgui.h b/imgui.h
index 6a2fb33..34c70aa 100644
--- a/imgui.h
+++ b/imgui.h
@@ -664,6 +664,7 @@
 // Enumeration for GetMouseCursor()
 enum ImGuiMouseCursor_
 {
+    ImGuiMouseCursor_None = -1,
     ImGuiMouseCursor_Arrow = 0,
     ImGuiMouseCursor_TextInput,         // When hovering over InputText, etc.
     ImGuiMouseCursor_Move,              // Unused