diff --git a/openbsc/tests/bsc-nat/bsc_data.c b/openbsc/tests/bsc-nat/bsc_data.c
index 8a06348..101c576 100644
--- a/openbsc/tests/bsc-nat/bsc_data.c
+++ b/openbsc/tests/bsc-nat/bsc_data.c
@@ -109,7 +109,7 @@
 
 static const uint8_t smsc_rewrite_patched[] = {
 0x00, 0x31, 0xfd, 0x06, 0x01, 0x13, 0x1e, 0x00,
-0x01, 0x2a, 0x01, 0x00, 0x27, 0x09, 0x01, 0x24,
+0x01, 0x2a, 0x01, 0x03, 0x27, 0x09, 0x01, 0x24,
 0x00, 0x0c, 0x00, 0x08, 0x91, 0x66, 0x66, 0x66,
 0x66, 0x66, 0x66, 0xf7, 0x17, 0x01, 0x0c, 0x0f,
 0x81, 0x00, 0x94, 0x51, 0x87, 0x86, 0x78, 0x46,