Fix Can't sort via symbols in older rubies

nowk · Sep 1, 2012 · 5a04bb9 · 5a04bb9
1 parent 88d5247
commit 5a04bb9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/url2png/url_helper.rb b/lib/url2png/url_helper.rb
@@ -55,7 +55,7 @@ def query_string_builder(url, options = {})
             options[:viewport] || url2png_conf.viewport_dimensions
         }
 
-        params.sort_by { |o| o[0] }.inject([]) { |memo, obj|
+        params.sort_by { |o| o[0].to_s }.inject([]) { |memo, obj|
           k, v = *obj.map(&:to_s)
           memo << [CGI.escape(k), CGI.escape(v)].join("=") if v && !v.empty?
           memo