--- kannel-dev/gateway/gw/smsc_smpp.c	2002-05-22 11:40:16.000000000 +0300
+++ gateway/gw/smsc_smpp.c	2002-05-23 10:56:20.000000000 +0300
@@ -334,7 +334,7 @@
             sprintf(buffer, "%02d%02d%02d%02d%02d%02d0%01d%02d%1s",
                     tm.tm_year % 100, tm.tm_mon + 1, tm.tm_mday,
                     tm.tm_hour, tm.tm_min, tm.tm_sec,
-                    0, gwqdiff, relation_UTC_time );
+                    0, gwqdiff, octstr_get_cstr(relation_UTC_time) );
             pdu->u.submit_sm.validity_period = octstr_create(buffer);
         }
 
@@ -343,7 +343,7 @@
             sprintf(buffer, "%02d%02d%02d%02d%02d%02d0%01d%02d%1s",
                     tm.tm_year % 100, tm.tm_mon + 1, tm.tm_mday,
                     tm.tm_hour, tm.tm_min, tm.tm_sec,
-                    0, gwqdiff, relation_UTC_time );
+                    0, gwqdiff, octstr_get_cstr(relation_UTC_time) );
             pdu->u.submit_sm.schedule_delivery_time = octstr_create(buffer);
         }
     }