diff --git a/epdg/EPDG_Tests.ttcn b/epdg/EPDG_Tests.ttcn
index f58cf96..60e0d1c 100644
--- a/epdg/EPDG_Tests.ttcn
+++ b/epdg/EPDG_Tests.ttcn
@@ -43,6 +43,7 @@
 	integer mp_s2b_remote_port := GTP2C_PORT;
 
 	charstring mp_diam_realm := "localdomain";
+	integer mp_diam_watchdog_initial_wait_sec := 6*3;
 }
 
 
@@ -250,7 +251,7 @@
 	 * RFC3539 sec 3.4.1 [5]
 	 * https://github.com/freeDiameter/freeDiameter/blob/master/libfdcore/p_psm.c#L49
 	 */
-	f_sleep(1.0);
+	f_sleep(int2float(mp_diam_watchdog_initial_wait_sec));
 }
 
 private function f_init_gtp(charstring id) runs on MTC_CT {