diff --git a/src/ssdb/binlog.cpp b/src/ssdb/binlog.cpp
index be71d4855..c9f02e730 100644
--- a/src/ssdb/binlog.cpp
+++ b/src/ssdb/binlog.cpp
@@ -300,6 +300,7 @@ int BinlogQueue::find_min(Binlog *log) const{
 			}
 		}
 	}
+	delete it;
 	return ret;
 }