diff --git a/src/common/pl/plpgsql/src/pl_exec.cpp b/src/common/pl/plpgsql/src/pl_exec.cpp
index 98f81398d9612f201aa85afcf1ad25ca9507d49a..2e2bc9f068d041c0b386efc0a6dd274d9e993d94 100644
--- a/src/common/pl/plpgsql/src/pl_exec.cpp
+++ b/src/common/pl/plpgsql/src/pl_exec.cpp
@@ -1164,6 +1164,7 @@ Datum plpgsql_exec_autonm_function(PLpgSQL_function* func,
         PLpgSQL_execstate* estate_tmp = (PLpgSQL_execstate*)(plcallstack.prev->elem);
         exec_set_cursor_att_var(estate_tmp, &estate);
     }
+    list_free_deep(autonmsList);
 #endif
     /* Clean up any leftover temporary memory */
     plpgsql_destroy_econtext(&estate);