diff --git a/src/conf/storage_conf.c b/src/conf/storage_conf.c
index 7dff56664181e272b4140a6b498178beb8f5adf8..3ae0d7ab77223b992c68f449939e4554a2f9a8af 100644
--- a/src/conf/storage_conf.c
+++ b/src/conf/storage_conf.c
@@ -588,6 +588,7 @@ virStoragePoolDefParseSource(xmlXPathContextPtr ctxt,
                     goto cleanup;
                 }
             }
+            VIR_FREE(port);
         }
     }