diff --git a/controllers/configuration.py b/controllers/configuration.py
index 104c9ee46d4323fab451e2e041b65785422ebf19..ee3184643927e3baf62504496d641bb15ffd256c 100644
--- a/controllers/configuration.py
+++ b/controllers/configuration.py
@@ -72,10 +72,10 @@ def index():
             res = eval(cmd)
         except BaseException, e:
         	print "Exception in the configuration controller:"
-			print "-"*72
-			traceback.print_exc(file=sys.stdout)
-			print "-"*72
-            raise HTTP(500, e)
+        	print "-"*72
+        	traceback.print_exc(file=sys.stdout)
+        	print "-"*72
+        	raise HTTP(500, e)
     
         # NOTE: the client expect the following object:
         # ExtJs.3.1.1 {action: "xx", method: "y", result: [], type:"rpc", tid:2}