diff --git a/src/core/qgsproject.cpp b/src/core/qgsproject.cpp
index a879f3632d9..923905ba41e 100644
--- a/src/core/qgsproject.cpp
+++ b/src/core/qgsproject.cpp
@@ -493,6 +493,10 @@ void QgsProject::clear()
   mTrustLayerMetadata = false;
   mCustomVariables.clear();
 
+  QgsCoordinateTransformContext context;
+  context.readSettings();
+  setTransformContext( context );
+
   mEmbeddedLayers.clear();
   mRelationManager->clear();
   mAnnotationManager->clear();