diff --git a/dlls/comctl32/combo.c b/dlls/comctl32/combo.c
index 074f54f0937..4208ff8b9c9 100644
--- a/dlls/comctl32/combo.c
+++ b/dlls/comctl32/combo.c
@@ -789,6 +789,8 @@ static LRESULT COMBO_ThemedPaint(HTHEME theme, HEADCOMBO *lphc, HDC hdc)
 
     if ((lphc->dwStyle & CBS_DROPDOWNLIST) == CBS_DROPDOWNLIST)
         CBPaintText(lphc, hdc);
+    else
+        InvalidateRect(lphc->hWndEdit, NULL, TRUE);
 
     return 0;
 }