diff --git a/src/libdraw/ml-lsetrefresh.c b/src/libdraw/ml-lsetrefresh.c
index 44079be..17d04cb 100644
--- a/src/libdraw/ml-lsetrefresh.c
+++ b/src/libdraw/ml-lsetrefresh.c
@@ -29,7 +29,7 @@
 		return 0;
 	/* easiest way is just to update the entire save area */
 	l->refreshfn(i, i->r, l->refreshptr);
-	l->refreshfn = nil;
+	l->refreshfn = 0;
 	l->refreshptr = nil;
 	return 1;
 }