diff -r c73f9d2e8b85 -r ac7db4c076c3 src/ldDocument.cpp
--- a/src/ldDocument.cpp	Thu Feb 09 01:08:57 2017 +0200
+++ b/src/ldDocument.cpp	Thu Feb 09 11:53:55 2017 +0200
@@ -21,6 +21,7 @@
 #include "ldDocument.h"
 #include "miscallenous.h"
 #include "mainwindow.h"
+#include "canvas.h"
 #include "glCompiler.h"
 #include "documentloader.h"
 #include "dialogs/openprogressdialog.h"