diff --git a/sessiontxn/isolation/readcommitted_test.go b/sessiontxn/isolation/readcommitted_test.go
index beec71685058c..2315546e89549 100644
--- a/sessiontxn/isolation/readcommitted_test.go
+++ b/sessiontxn/isolation/readcommitted_test.go
@@ -187,6 +187,8 @@ func TestPessimisticRCTxnContextProviderRCCheckForPrepareExecute(t *testing.T) {
 	require.NoError(t, err)
 	_, err = session.ResultSetToStringSlice(ctx, tk.Session(), rs)
 	require.Error(t, err)
+	rs.Close()
+
 	ts, err = provider.GetStmtForUpdateTS()
 	require.NoError(t, err)
 	require.Greater(t, compareTS, ts)