diff --git a/CEP/GSM/bremen/src/utils.py b/CEP/GSM/bremen/src/utils.py
index f66fa61995f732ce65f3f9bf7e85eef285ddc5db..a8701784471852c7c97f697ea71d7343eccbfa23 100644
--- a/CEP/GSM/bremen/src/utils.py
+++ b/CEP/GSM/bremen/src/utils.py
@@ -55,4 +55,4 @@ def get_image_size(min_decl, max_decl, min_ra, max_ra, avg_decl, avg_ra):
                 avg_decl, avg_ra
 
 def raise_with_message(exc, message):
-    raise type(exc)(type(exc)('%s %s' % (exc.message, message))).with_traceback(sys.exc_info()[2])
+    raise type(exc)(type(exc)('%s %s' % (exc, message))).with_traceback(sys.exc_info()[2])