diff --git a/src/renderloop.cpp b/src/renderloop.cpp
index caa25228dc..c583b54df1 100644
--- a/src/renderloop.cpp
+++ b/src/renderloop.cpp
@@ -127,8 +127,10 @@ void RenderLoopPrivate::notifyFrameCompleted(std::chrono::nanoseconds timestamp)
     if (lastPresentationTimestamp <= timestamp) {
         lastPresentationTimestamp = timestamp;
     } else {
-        qCWarning(KWIN_CORE, "Got invalid presentation timestamp: %ld (current %ld)",
-                  timestamp.count(), lastPresentationTimestamp.count());
+        qCWarning(KWIN_CORE,
+                  "Got invalid presentation timestamp: %lld (current %lld)",
+                  static_cast<long long>(timestamp.count()),
+                  static_cast<long long>(lastPresentationTimestamp.count()));
         lastPresentationTimestamp = std::chrono::steady_clock::now().time_since_epoch();
     }
 
diff --git a/src/scene.cpp b/src/scene.cpp
index 9f86c0b7ed..bce81cf646 100644
--- a/src/scene.cpp
+++ b/src/scene.cpp
@@ -176,8 +176,10 @@ void Scene::paintScreen(const QRegion &damage, const QRegion &repaint,
             std::chrono::duration_cast<std::chrono::milliseconds>(renderLoop->nextPresentationTimestamp());
 
     if (Q_UNLIKELY(presentTime < m_expectedPresentTimestamp)) {
-        qCDebug(KWIN_CORE, "Provided presentation timestamp is invalid: %ld (current: %ld)",
-                presentTime.count(), m_expectedPresentTimestamp.count());
+        qCDebug(KWIN_CORE,
+                "Provided presentation timestamp is invalid: %lld (current: %lld)",
+                static_cast<long long>(presentTime.count()),
+                static_cast<long long>(m_expectedPresentTimestamp.count()));
     } else {
         m_expectedPresentTimestamp = presentTime;
     }