diff --git a/pgconn/pgconn_test.go b/pgconn/pgconn_test.go
index 357a99c1..87936225 100644
--- a/pgconn/pgconn_test.go
+++ b/pgconn/pgconn_test.go
@@ -1855,7 +1855,7 @@ func TestConnCancelRequest(t *testing.T) {
 		// Once Flush is available this could use that instead.
 		time.Sleep(500 * time.Millisecond)
 
-		err = pgConn.CancelRequest(context.Background())
+		err := pgConn.CancelRequest(context.Background())
 		require.NoError(t, err)
 	}()