lib/tasks/diagrams_ps.rake in modaldiagrams-1.0.0 vs lib/tasks/diagrams_ps.rake in modaldiagrams-1.0.1

@@ -7,10 +7,10 @@
         out_dir = Rails.root.join("db/diagrams/#{cmd}_ps")
         mkdir_p out_dir
         Dir[Rails.root.join('db/diagrams/*.dot')].each do |fn|
           fn = Pathname(fn)
           out_fn = out_dir.join(fn.basename.sub_ext('.ps'))
-          `#{cmd} #{fn} -o#{out_fn} -Tps2`
+          `#{cmd} '#{fn}' -o '#{out_fn}' -Tps2`
         end
         puts "Output has been generated in #{out_dir}"
       end
     end