diff --git a/cmd/ztest/ztest.c b/cmd/ztest/ztest.c
index 22849240b9..a1c291ccd3 100644
--- a/cmd/ztest/ztest.c
+++ b/cmd/ztest/ztest.c
@@ -2538,7 +2538,7 @@ ztest_dmu_commit_callbacks(ztest_args_t *za)
 	ztest_cb_list_t *zcl = &ztest_shared->zs_cb_list;
 	ztest_cb_data_t *cb_data[3], *tmp_cb;
 	uint64_t old_txg, txg;
-	int i, error;
+	int i, error = 0;
 
 	tx = dmu_tx_create(os);