diff --git a/lib/rubocop/cop/rails/enum_hash.rb b/lib/rubocop/cop/rails/enum_hash.rb
index 139458dd27..fa36006d5e 100644
--- a/lib/rubocop/cop/rails/enum_hash.rb
+++ b/lib/rubocop/cop/rails/enum_hash.rb
@@ -62,9 +62,9 @@ def enum_name(key)
         def source(elem)
           case elem.type
           when :str
-            "\"#{elem.value}\""
+            elem.value.dump
           when :sym
-            elem.source.include?(':') ? elem.source : ":#{elem.value}"
+            elem.value.inspect
           else
             elem.source
           end