diff --git a/src/keymap.c b/src/keymap.c
index 98b9d8f06cf..22846bb7eff 100644
--- a/src/keymap.c
+++ b/src/keymap.c
@@ -247,6 +247,8 @@ access_keymap (map, idx)
 	      return XVECTOR (binding)->contents[XINT (idx)];
 	    break;
 	  }
+
+	QUIT;
       }
   }