diff --git a/python/nammu/controller/NammuController.py b/python/nammu/controller/NammuController.py
index 52d6db75..1edf4e93 100644
--- a/python/nammu/controller/NammuController.py
+++ b/python/nammu/controller/NammuController.py
@@ -203,6 +203,7 @@ def openFile(self, event=None):
                 # we dont highlight before the full file is loaded
                 runSwingLater(self.initHighlighting)
 
+
             # TODO: Else, prompt user to choose again before closing
 
             # Update settings with current file's path
@@ -212,6 +213,9 @@ def openFile(self, event=None):
             # Finally, refresh the edit area to propagate custom font settings
             self.atfAreaController.refreshEditArea()
 
+            # Clear stack of edits
+            self.atfAreaController.view.undo_manager.discardAllEdits()
+
     def initHighlighting(self):
         '''
         A helper function to be called when we need to initialise syntax