diff --git a/iptables-save.c b/iptables-save.c
index 6000b49..f63ee6b 100644
--- a/iptables-save.c
+++ b/iptables-save.c
@@ -52,6 +52,7 @@
 		ret &= func(tablename);
 	}
 
+	fclose(procfile);
 	return ret;
 }