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-rw-r--r--gui/main.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/gui/main.cpp b/gui/main.cpp
index e708dc9d..c07a65ac 100644
--- a/gui/main.cpp
+++ b/gui/main.cpp
@@ -116,7 +116,9 @@ int main(int argc, char** argv)
QCoreApplication::addLibraryPath(".");
#endif
+#if QT_VERSION >= 0x050600 // flag introduced in QT 5.6. It is non-essential so might as well allow compilation on older systems.
QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
QApplication::setAttribute(Qt::AA_X11InitThreads, true);
QApplication app(argc, argv);