diff --git a/conn_test.go b/conn_test.go
index 9049bd6f..eac9f840 100644
--- a/conn_test.go
+++ b/conn_test.go
@@ -1198,7 +1198,7 @@ func TestFatalRxError(t *testing.T) {
 		var n int32
 		var s string
 		err := conn.QueryRow("select 1::int4, pg_sleep(10)::varchar").Scan(&n, &s)
-		if err, ok := err.(pgx.PgError); !ok || err.Severity != "FATAL" {
+		if pgErr, ok := err.(pgx.PgError); !ok || pgErr.Severity != "FATAL" {
 			t.Fatalf("Expected QueryRow Scan to return fatal PgError, but instead received %v", err)
 		}
 	}()