diff --git a/src/app/editor.coffee b/src/app/editor.coffee
index 5f6772537..c4fcf1bdb 100644
--- a/src/app/editor.coffee
+++ b/src/app/editor.coffee
@@ -19,7 +19,7 @@ class Editor extends View
     autosave: false
     autoIndent: true
     autoIndentOnPaste: false
-    nonWordCharacters: "./\\()\"'-_:,.;<>~!@#$%^&*|+=[]{}`~?"
+    nonWordCharacters: "./\\()\"':,.;<>~!@#$%^&*|+=[]{}`~?"
 
   @nextEditorId: 1