diff --git a/src/backend/access/transam/twophase.c b/src/backend/access/transam/twophase.c
index 49be1df91c..d3d6ff3dce 100644
--- a/src/backend/access/transam/twophase.c
+++ b/src/backend/access/transam/twophase.c
@@ -2206,26 +2206,6 @@ ProcessTwoPhaseBuffer(TransactionId xid,
 	if (!fromdisk)
 		Assert(prepare_start_lsn != InvalidXLogRecPtr);
 
-	/* Already processed? */
-	if (TransactionIdDidCommit(xid) || TransactionIdDidAbort(xid))
-	{
-		if (fromdisk)
-		{
-			ereport(WARNING,
-					(errmsg("removing stale two-phase state file for transaction %u",
-							xid)));
-			RemoveTwoPhaseFile(xid, true);
-		}
-		else
-		{
-			ereport(WARNING,
-					(errmsg("removing stale two-phase state from memory for transaction %u",
-							xid)));
-			PrepareRedoRemove(xid, true);
-		}
-		return NULL;
-	}
-
 	/* Reject XID if too new */
 	if (TransactionIdFollowsOrEquals(xid, origNextXid))
 	{
@@ -2246,6 +2226,26 @@ ProcessTwoPhaseBuffer(TransactionId xid,
 		return NULL;
 	}
 
+	/* Already processed? */
+	if (TransactionIdDidCommit(xid) || TransactionIdDidAbort(xid))
+	{
+		if (fromdisk)
+		{
+			ereport(WARNING,
+					(errmsg("removing stale two-phase state file for transaction %u",
+							xid)));
+			RemoveTwoPhaseFile(xid, true);
+		}
+		else
+		{
+			ereport(WARNING,
+					(errmsg("removing stale two-phase state from memory for transaction %u",
+							xid)));
+			PrepareRedoRemove(xid, true);
+		}
+		return NULL;
+	}
+
 	if (fromdisk)
 	{
 		/* Read and validate file */