diff --git a/src/top_status_source.cc b/src/top_status_source.cc
index 6f7d3838..2ed64b98 100644
--- a/src/top_status_source.cc
+++ b/src/top_status_source.cc
@@ -118,4 +118,5 @@ top_status_source::update_user_msg()
             log_error("failed to execute user-message expression: %s",
                       fe.fe_msg.c_str());
         });
+    this->tss_user_msgs_stmt.reset();
 }