diff --git a/tests/run-threaded.c b/tests/run-threaded.c
index 93d15883..02524b22 100644
--- a/tests/run-threaded.c
+++ b/tests/run-threaded.c
@@ -408,6 +408,7 @@ verify (const char *fname, gpgme_protocol_t proto)
   gpgme_release (ctx);
 
   random_data_close (data);
+  free (msg);
 }