diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c
index 422c7c70982..f490900c51e 100644
--- a/lib/dpif-netdev.c
+++ b/lib/dpif-netdev.c
@@ -1363,6 +1363,7 @@ dpif_netdev_flow_put(struct dpif *dpif, const struct dpif_flow_put *put)
         }
     }
     ovs_mutex_unlock(&dp->flow_mutex);
+    miniflow_destroy(&miniflow);
 
     return error;
 }