diff --git a/src/storage/storage_backend_mpath.c b/src/storage/storage_backend_mpath.c
index 606b3997fe2fbdcc36bd0dd34f797237736a4923..434a477e709ef7118758b16b29e60a3631a3e453 100644
--- a/src/storage/storage_backend_mpath.c
+++ b/src/storage/storage_backend_mpath.c
@@ -200,6 +200,7 @@ virStorageBackendCreateVols(virStoragePoolObjPtr pool,
 
     retval = 0;
  out:
+    VIR_FREE(map_device);
     return retval;
 }