diff --git a/app/core.cpp b/app/core.cpp
index 9dea0b981..15699cb5c 100644
--- a/app/core.cpp
+++ b/app/core.cpp
@@ -536,7 +536,7 @@ void Core::DeclareTypesForQt()
   qRegisterMetaType<AudioRenderingParams>();
   qRegisterMetaType<NodeKeyframe::Type>();
   qRegisterMetaType<Decoder::RetrieveState>();
-  qRegisterMetaType<TimeRange>();
+  qRegisterMetaType<OLIVE_NAMESPACE::TimeRange>();
   qRegisterMetaType<Color>();
   qRegisterMetaType<OLIVE_NAMESPACE::ProjectPtr>();
 }
diff --git a/app/node/input.h b/app/node/input.h
index c672907ee..f14521bc1 100644
--- a/app/node/input.h
+++ b/app/node/input.h
@@ -279,7 +279,7 @@ public:
   QList<Node*> GetImmediateDependencies() const;
 
 signals:
-  void ValueChanged(const TimeRange& range);
+  void ValueChanged(const OLIVE_NAMESPACE::TimeRange& range);
 
   void KeyframeEnableChanged(bool);
 
diff --git a/app/node/node.h b/app/node/node.h
index 4c4826b07..0aec6ecb1 100644
--- a/app/node/node.h
+++ b/app/node/node.h
@@ -425,7 +425,7 @@ private:
   QPointF position_;
 
 private slots:
-  void InputChanged(const TimeRange &range);
+  void InputChanged(const OLIVE_NAMESPACE::TimeRange &range);
 
   void InputConnectionChanged(NodeEdgePtr edge);