diff --git a/src/quickfix.c b/src/quickfix.c
index 3e2d3df..d8bcc12 100644
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -4839,8 +4839,7 @@
 	    (void)ml_delete((linenr_T)1);
 
 	// Remove all undo information
-	u_blockfree(curbuf);
-	u_clearall(curbuf);
+	u_clearallandblockfree(curbuf);
     }
 
     // Check if there is anything to display