diff --git a/src/platform/qt/ApplicationUpdater.cpp b/src/platform/qt/ApplicationUpdater.cpp
index ad1003660..2d0e7cccc 100644
--- a/src/platform/qt/ApplicationUpdater.cpp
+++ b/src/platform/qt/ApplicationUpdater.cpp
@@ -216,7 +216,7 @@ ApplicationUpdater::UpdateInfo::operator QString() const {
 		return version;
 	}
 	if (rev <= 0) {
-		return tr("(None)");
+		return ApplicationUpdater::tr("(None)");
 	}
 	int len = strlen(gitCommitShort);
 	const char* pos = strchr(gitCommitShort, '-');
diff --git a/src/platform/qt/DisplayGL.cpp b/src/platform/qt/DisplayGL.cpp
index 534c10532..90d22702a 100644
--- a/src/platform/qt/DisplayGL.cpp
+++ b/src/platform/qt/DisplayGL.cpp
@@ -457,13 +457,13 @@ void PainterGL::draw() {
 		m_delayTimer.start();
 	} else {
 		if (sync->audioWait || sync->videoFrameWait) {
-			while (m_delayTimer.nsecsElapsed() + 1'000'000 < 1'000'000'000 / sync->fpsTarget) {
+			while (m_delayTimer.nsecsElapsed() + 1000000 < 1000000000 / sync->fpsTarget) {
 				QThread::usleep(500);
 			}
 			forceRedraw = sync->videoFrameWait;
 		}
 		if (!forceRedraw) {
-			forceRedraw = m_delayTimer.nsecsElapsed() + 1'000'000 >= 1'000'000'000 / m_surface->screen()->refreshRate();
+			forceRedraw = m_delayTimer.nsecsElapsed() + 1000000 >= 1000000000 / m_surface->screen()->refreshRate();
 		}
 	}
 	mCoreSyncWaitFrameEnd(sync);