diff --git a/openbsc/src/libbsc/bts_hsl_femtocell.c b/openbsc/src/libbsc/bts_hsl_femtocell.c
index d5834ef..e01634c 100644
--- a/openbsc/src/libbsc/bts_hsl_femtocell.c
+++ b/openbsc/src/libbsc/bts_hsl_femtocell.c
@@ -42,19 +42,31 @@
 
 
 static const uint8_t l1_msg[] = {
+#ifdef HSL_SR_1_0
 	0x80, 0x8a,
+#else
+	0x81, 0x8a,
+#endif
 		0xC4, 0x0b,
 };
 
 static const uint8_t conn_trau_msg[] = {
+#ifdef HSL_SR_1_0
 	0x80, 0x81,
+#else
+	0x81, 0x81,
+#endif
 		0xC1, 16,
 			0x02, 0x00, 0x00, 0x00, 0xC0, 0xA8, 0xEA, 0x01,
 			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
 };
 
 static const uint8_t conn_trau_msg2[] = {
+#ifdef HSL_SR_1_0
 	0x80, 0x81,
+#else
+	0x81, 0x81,
+#endif
 		0xC1, 16,
 			0x02, 0x00, 0xd4, 0x07, 0xC0, 0xA8, 0xEA, 0x01,
 			0x38, 0xA4, 0x45, 0x00, 0x04, 0x59, 0x40, 0x00