diff --git a/src/qemu/qemu_migration_params.c b/src/qemu/qemu_migration_params.c
index 578cd6671f..2083563d32 100644
--- a/src/qemu/qemu_migration_params.c
+++ b/src/qemu/qemu_migration_params.c
@@ -1343,6 +1343,7 @@ qemuMigrationCapsCheck(virQEMUDriverPtr driver,
     ret = 0;
 
  cleanup:
+    virBitmapFree(migEvent);
     virJSONValueFree(json);
     virStringListFree(caps);
     return ret;