diff --git a/src/or/connection.c b/src/or/connection.c
index 1c3bf4cbc0..a2a4c8df44 100644
--- a/src/or/connection.c
+++ b/src/or/connection.c
@@ -886,6 +886,8 @@ retry_listeners(int type, config_line_t *cfg,
       log_fn(LOG_INFO, "Already have %s on %s:%d",
              conn_type_to_string(type), conn->address, conn->port);
       smartlist_remove(launch, line);
+      if (free_launch_elts)
+        config_free_lines(line);
     }
   }