diff --git a/prboom2/src/gl_main.c b/prboom2/src/gl_main.c
index 9efe79b77..460e2356b 100644
--- a/prboom2/src/gl_main.c
+++ b/prboom2/src/gl_main.c
@@ -850,7 +850,12 @@ void gld_FillBlock(int x, int y, int width, int height, int col)
 
 void gld_DrawShaded(int x, int y, int width, int height, int shade)
 {
-  color_rgb_t color = gld_LookupIndexedColor(playpal_black, V_IsAutomapLightmodeIndexed());
+  // This is more messy than I'd like. (I hate this, but this is my current fix for the menu overlay invert)
+  // The `col` fixes the menu overlay from inverting during `invul_cm`.
+  // The 'automap` boolean is to undo the `col` invert for the automap.
+  dboolean automap = V_IsAutomapLightmodeIndexed();
+  int col = invul_cm && !automap ? playpal_white : playpal_black;
+  color_rgb_t color = gld_LookupIndexedColor(col, V_IsUILightmodeIndexed() || V_IsAutomapLightmodeIndexed());
 
   glsl_PushNullShader();