diff --git a/transact/src/main/java/dev/dbos/transact/txstep/TxStepSchema.java b/transact/src/main/java/dev/dbos/transact/txstep/TxStepSchema.java
index 94a0ca6e..1a10439d 100644
--- a/transact/src/main/java/dev/dbos/transact/txstep/TxStepSchema.java
+++ b/transact/src/main/java/dev/dbos/transact/txstep/TxStepSchema.java
@@ -29,7 +29,7 @@ public static void createTable(Connection conn, String schema) throws SQLExcepti
           """
           CREATE TABLE IF NOT EXISTS "%1$s".tx_step_outputs (
             workflow_id TEXT NOT NULL,
-            step_id INT NOT NULL,
+            step_id INT4 NOT NULL,
             output TEXT,
             error TEXT,
             serialization TEXT,