1 files changed, 3 insertions, 3 deletions
diff --git a/tikzit/src/osx/GraphicsView.h b/tikzit/src/osx/GraphicsView.h
index e963ac7..c3c2add 100644
--- a/tikzit/src/osx/GraphicsView.h
+++ b/tikzit/src/osx/GraphicsView.h
@@ -92,12 +92,12 @@ typedef enum {
 	NSUndoManager *documentUndoManager;
 	NSPoint startPoint;
     
-    TikzSourceController *tikzSourceController;
+    TikzSourceController *__weak tikzSourceController;
 }
 
 @property BOOL enabled;
-@property Graph *graph;
-@property IBOutlet TikzSourceController *tikzSourceController;
+@property (weak) Graph *graph;
+@property (weak) IBOutlet TikzSourceController *tikzSourceController;
 @property (readonly) Transformer *transformer;
 @property (readonly) PickSupport *pickSupport;