diff --git a/query_classifier/test/crash_qc_sqlite.cc b/query_classifier/test/crash_qc_sqlite.cc
index c25eeeccc..70889a8be 100644
--- a/query_classifier/test/crash_qc_sqlite.cc
+++ b/query_classifier/test/crash_qc_sqlite.cc
@@ -58,6 +58,8 @@ int main()
 
         qc_end();
 
+        gwbuf_free(stmt);
+
         rv = EXIT_SUCCESS;
     }
     else