diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -538,7 +538,7 @@
 
     // Generate high-dpi pixmaps
     QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
-#if QT_VERSION >= 0x050600
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
     QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
 #endif
 #ifdef Q_OS_MAC