diff --git a/flow/e2e/clickhouse/peer_flow_ch_test.go b/flow/e2e/clickhouse/peer_flow_ch_test.go
index 24ae35a385..b95ff7d573 100644
--- a/flow/e2e/clickhouse/peer_flow_ch_test.go
+++ b/flow/e2e/clickhouse/peer_flow_ch_test.go
@@ -694,7 +694,7 @@ func (s ClickHouseSuite) Test_Unbounded_Numeric_Without_FF() {
 		require.Len(s.t, row, 1, "expected 1 column")
 		c, ok := row[0].Value().(decimal.Decimal)
 		require.True(s.t, ok, "expected unbounded NUMERIC to be Decimal")
-		require.Equal(s.t, strings.Repeat("9", 78), c.String(), "expected unbounded NUMERIC to be 75 9s")
+		require.Equal(s.t, strings.Repeat("9", 75), c.String(), "expected unbounded NUMERIC to be 75 9s")
 	}
 
 	env.Cancel()