diff --git a/tests/manual/debugger/simple/simple_test_app.cpp b/tests/manual/debugger/simple/simple_test_app.cpp
index 425ce874afd..3bbe0d55201 100644
--- a/tests/manual/debugger/simple/simple_test_app.cpp
+++ b/tests/manual/debugger/simple/simple_test_app.cpp
@@ -6106,14 +6106,16 @@ namespace qjson {
         };
          QJsonArray arr;
          for (unsigned int i = 0; i < 32; ++i) {
-             arr.append(QJsonValue(qint64(quint64(1) << i) - 1));
-             arr.append(QJsonValue(qint64(quint64(1) << i)));
-             arr.append(QJsonValue(qint64(quint64(1) << i) + 1));
+             const qint64 bit = 1ll << i;
+             arr.append(QJsonValue(bit - 1));
+             arr.append(QJsonValue(bit));
+             arr.append(QJsonValue(bit + 1));
          }
          for (unsigned int i = 0; i < 32; ++i) {
-             arr.append(QJsonValue(-qint64(quint64(1) << i) + 1));
-             arr.append(QJsonValue(-qint64(quint64(1) << i)));
-             arr.append(QJsonValue(-qint64(quint64(1) << i) - 1));
+             const qint64 bit = -(1ll << i);
+             arr.append(QJsonValue(bit + 1));
+             arr.append(QJsonValue(bit));
+             arr.append(QJsonValue(bit - 1));
          }
         BREAK_HERE;
         // Check v -1 QJsonValue.