Update on the correct checkbox.

app/assets/javascripts/protected_branches.js.coffee

 $ ->
   $(":checkbox").change ->
-    id = $(this).val()
-    checked = $(this).is(":checked")
-    url = $(this).data("url")
-    $.ajax
-      type: "PUT"
-      url: url
-      dataType: "json"
-      data:
-        id: id
-        developers_can_push: checked
+    name = $(this).attr("name")
+    if name == "developers_can_push"
+      id = $(this).val()
+      checked = $(this).is(":checked")
+      url = $(this).data("url")
+      $.ajax
+        type: "PUT"
+        url: url
+        dataType: "json"
+        data:
+          id: id
+          developers_can_push: checked
 
-      success: ->
-        new Flash("Branch updated.", "notice")
-        location.reload true
+        success: ->
+          new Flash("Branch updated.", "notice")
+          location.reload true
 
-      error: ->
-        new Flash("Failed to update branch!", "alert")
+        error: ->
+          new Flash("Failed to update branch!", "alert")