diff --git a/src/evalfunc.c b/src/evalfunc.c
index 6982ddf..6538b36 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -5271,6 +5271,8 @@
     if (wp == NULL)
 	return;
 
+    cleanup_jumplist(wp, TRUE);
+
     l = list_alloc();
     if (l == NULL)
 	return;
@@ -5279,8 +5281,6 @@
 	return;
     list_append_number(rettv->vval.v_list, (varnumber_T)wp->w_jumplistidx);
 
-    cleanup_jumplist(wp, TRUE);
-
     for (i = 0; i < wp->w_jumplistlen; ++i)
     {
 	if (wp->w_jumplist[i].fmark.mark.lnum == 0)