--- clearsilver-0.10.5/python/neo_cgi.c~	2013-06-11 14:54:21.825300922 +0200
+++ clearsilver-0.10.5/python/neo_cgi.c	2013-06-11 14:54:56.992346488 +0200
@@ -178,7 +178,7 @@
   if (!PyArg_ParseTuple(args, "s:error(str)", &s))
     return NULL;
 
-  cgi_error (cgi, s);
+  cgi_error (cgi, "%s", s);
   rv = Py_None;
   Py_INCREF(rv);
   return rv;