diff --git a/src/GafferImage/Catalogue.cpp b/src/GafferImage/Catalogue.cpp
index 7b48b6d1e43..eda165bc1da 100644
--- a/src/GafferImage/Catalogue.cpp
+++ b/src/GafferImage/Catalogue.cpp
@@ -369,7 +369,9 @@ class Catalogue::InternalImage : public ImageNode
 
 			m_renderID = "invalid";
 			isRendering( false );
+			std::cerr << "  marked as not rendering" << std::endl;
 			m_saver = AsynchronousSaver::create( this );
+			std::cerr << "  assigned m_saver" << std::endl;
 		}
 
 	protected :