Index: src/libical/icaltypes.c
===================================================================
--- src/libical/icaltypes.c	(revision 15307)
+++ src/libical/icaltypes.c	(working copy)
@@ -178,10 +178,10 @@
 {
   char *temp;

+  icalerror_check_arg_rz((stat.code != ICAL_UNKNOWN_STATUS),"Status");
+
   temp = (char*)icalmemory_new_buffer(TEMP_MAX);

-  icalerror_check_arg_rz((stat.code != ICAL_UNKNOWN_STATUS),"Status");
-
   if (stat.desc == 0){
     stat.desc = icalenum_reqstat_desc(stat.code);
   }