diff --git a/src/osmo-bts-trx/gsm0503_conv.c b/src/osmo-bts-trx/gsm0503_conv.c
index 2a814ca33..dc50e6c2a 100644
--- a/src/osmo-bts-trx/gsm0503_conv.c
+++ b/src/osmo-bts-trx/gsm0503_conv.c
@@ -139,7 +139,7 @@ static const int conv_tch_hr_puncture[] = {
 	253, 256, 259, 262, 265, 268, 271, 274, 277, 280, 283,
 
 	/* Tail bits */
-	295, 298, 301, 304, 307, 310, 313,
+	295, 298, 301, 304, 307, 310,
 
 	/* End */
 	-1,