diff --git a/bin/cdist b/bin/cdist
index 1f44ba2d..9a745251 100755
--- a/bin/cdist
+++ b/bin/cdist
@@ -688,8 +688,8 @@ def emulator():
                param_fd.close()
                
                if(param_old != param):
-                  print("Parameter differs: " + param_old + "vs," + param)
-                  print("Source = " + old_object_source + "new =" + object_source)
+                  print("Parameter " + param + " differs: " + " ".join(param_old) + " vs. " + param)
+                  print("Sources: " + " ".join(old_object_source) + " and " + object_source)
                   sys.exit(1)
          else:
             param_fd = open(file, "w")