diff --git a/overlays/nsxiv.diff b/overlays/nsxiv.diff
index 96b1806..50ccc33 100644
--- a/overlays/nsxiv.diff
+++ b/overlays/nsxiv.diff
@@ -35,7 +35,7 @@
 -	int name;
 +	union {
 +		char *name;
-+		int num;
++		unsigned long long num;
 +	};
  	Cursor icon;
  } cursors[CURSOR_COUNT] = {