diff --git a/library/L3_Templates.ttcn b/library/L3_Templates.ttcn
index 47e1f62..a7e14e2 100644
--- a/library/L3_Templates.ttcn
+++ b/library/L3_Templates.ttcn
@@ -552,7 +552,7 @@
 	discriminator := '0011'B,
 	tiOrSkip := {
 		transactionId := {
-			tio := '000'B,
+			tio := int2bit(tid, 3),
 			tiFlag := '0'B,
 			tIExtension := omit
 		}