diff --git a/src/buffer.c b/src/buffer.c
index 0f0ce31..c836393 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -5033,7 +5033,7 @@
 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS)
     if (bt_quickfix(buf))
     {
-	win_T	    *win;
+	win_T	    *win = NULL;
 	tabpage_T   *tp;
 
 	/*