Editor subscribes to buffer-path-change events on edit sessions, not buffers directly

src/app/edit-session.coffee

@@ -41,6 +41,9 @@ class EditSession
     @selections = []
     @addCursorAtScreenPosition([0, 0])
 
+    @buffer.on "path-change.edit-session-#{@id}", =>
+      @trigger 'buffer-path-change'
+
     @buffer.on "change.edit-session-#{@id}", (e) =>
       anchor.handleBufferChange(e) for anchor in @getAnchors()
       @mergeCursors()

src/app/editor.coffee

@@ -385,10 +385,9 @@ class Editor extends View
 
     @unsubscribeFromBuffer() if @buffer
     @buffer = @activeEditSession.buffer
-    @buffer.on "path-change.editor#{@id}", => @trigger 'editor-path-change'
 
     @trigger 'editor-path-change'
-
+    @activeEditSession.on "buffer-path-change", => @trigger 'editor-path-change'
     @renderWhenAttached()
 
   activateEditSessionForPath: (path) ->