diff --git a/src/gsm/gsm48_rest_octets.c b/src/gsm/gsm48_rest_octets.c
index b63c63f..57c2c99 100644
--- a/src/gsm/gsm48_rest_octets.c
+++ b/src/gsm/gsm48_rest_octets.c
@@ -76,7 +76,7 @@
 
 	[0x07] = {2,  0},
 	[0x08] = {2,  1},
-	[0x08] = {2,  2},
+	[0x09] = {2,  2},
 	[0x0a] = {2,  3},
 	[0x0b] = {2,  4},
 	[0x0c] = {2,  5},