diff --git a/src/app/config-panel.coffee b/src/app/config-panel.coffee
index 81ec3e0ed..279313ecb 100644
--- a/src/app/config-panel.coffee
+++ b/src/app/config-panel.coffee
@@ -41,9 +41,8 @@ class ConfigPanel extends View
           value ?= ""
           editor.setText(value.toString())
 
-        editor.getBuffer().one 'contents-modified', =>
-          editor.getBuffer().on 'contents-modified', =>
-            config.set(name, @parseValue(type, editor.getText()))
+        editor.getBuffer().on 'contents-modified', =>
+          config.set(name, @parseValue(type, editor.getText()))
 
   parseValue: (type, value) ->
     switch type