diff --git a/src/workspace-view.coffee b/src/workspace-view.coffee
index 5b79bfe64..6dc129821 100644
--- a/src/workspace-view.coffee
+++ b/src/workspace-view.coffee
@@ -182,6 +182,8 @@ class WorkspaceView extends View
           deprecate('Use Pane::onDidChangeActiveItem and call onDidChangeModified on the active item instead')
         when 'pane:active-item-title-changed'
           deprecate('Use Pane::onDidChangeActiveItem and call onDidChangeTitle on the active item instead')
+        when 'pane:attached'
+          deprecate('Use Workspace::onDidAddPane instead')
         when 'pane:became-active'
           deprecate('Use Pane::onDidActivate instead')
         when 'pane:became-inactive'
@@ -223,6 +225,8 @@ class WorkspaceView extends View
           deprecate('Use Pane::onDidChangeActiveItem and call onDidChangeModified on the active item instead')
         when 'pane:active-item-title-changed'
           deprecate('Use Pane::onDidChangeActiveItem and call onDidChangeTitle on the active item instead')
+        when 'pane:attached'
+          deprecate('Use Workspace::onDidAddPane instead')
         when 'pane:became-active'
           deprecate('Use Pane::onDidActivate instead')
         when 'pane:became-inactive'