diff --git a/dlls/user/combo.c b/dlls/user/combo.c
index 3deb7547ef9..89d356bf205 100644
--- a/dlls/user/combo.c
+++ b/dlls/user/combo.c
@@ -2299,6 +2299,9 @@ static LRESULT ComboWndProc_common( HWND hwnd, UINT message,
 		return  (lphc->wState & CBF_EUI) ? TRUE : FALSE;
 	case CB_GETCOMBOBOXINFO:
 		return COMBO_GetComboBoxInfo(lphc, (COMBOBOXINFO *)lParam);
+	case CB_LIMITTEXT:
+		if( lphc->wState & CBF_EDIT )
+			return SendMessageW(lphc->hWndEdit, EM_LIMITTEXT, wParam, lParam);
 	default:
 		if (message >= WM_USER)
 		    WARN("unknown msg WM_USER+%04x wp=%04x lp=%08lx\n",