diff --git a/src/gprs_debug.cpp b/src/gprs_debug.cpp
index 6f9e310..3d9b816 100644
--- a/src/gprs_debug.cpp
+++ b/src/gprs_debug.cpp
@@ -41,6 +41,7 @@
 	{"DRLCMACUL", "\033[1;36m", "GPRS RLC/MAC layer Uplink (RLCMAC)", LOGL_NOTICE, 1},
 	{"DRLCMACSCHED", "\033[0;36m", "GPRS RLC/MAC layer Scheduling (RLCMAC)", LOGL_NOTICE, 1},
 	{"DRLCMACMEAS", "\033[1;31m", "GPRS RLC/MAC layer Measurements (RLCMAC)", LOGL_INFO, 1},
+	{"DNS","\033[1;34m", "GPRS Network Service Protocol (NS)", LOGL_INFO , 1},
 	{"DBSSGP","\033[1;34m", "GPRS BSS Gateway Protocol (BSSGP)", LOGL_INFO , 1},
 	{"DPCU", "\033[1;35m", "GPRS Packet Control Unit (PCU)", LOGL_NOTICE, 1},
 };
diff --git a/src/gprs_debug.h b/src/gprs_debug.h
index 8b113a1..963d841 100644
--- a/src/gprs_debug.h
+++ b/src/gprs_debug.h
@@ -39,6 +39,7 @@
 	DRLCMACUL,
 	DRLCMACSCHED,
 	DRLCMACMEAS,
+	DNS,
 	DBSSGP,
 	DPCU,
 	aDebug_LastEntry
diff --git a/src/pcu_main.cpp b/src/pcu_main.cpp
index 0cbced8..ed51212 100644
--- a/src/pcu_main.cpp
+++ b/src/pcu_main.cpp
@@ -194,6 +194,7 @@
 	msgb_set_talloc_ctx(tall_pcu_ctx);
 
 	osmo_init_logging(&gprs_log_info);
+	gprs_ns_set_log_ss(DNS);
 	bssgp_set_log_ss(DBSSGP);
 
 	vty_init(&pcu_vty_info);
diff --git a/tests/tbf/TbfTest.cpp b/tests/tbf/TbfTest.cpp
index 19895ad..865081b 100644
--- a/tests/tbf/TbfTest.cpp
+++ b/tests/tbf/TbfTest.cpp
@@ -654,6 +654,7 @@
         {"DRLCMACUL", "\033[1;36m", "GPRS RLC/MAC layer Uplink (RLCMAC)", LOGL_DEBUG, 1},
         {"DRLCMACSCHED", "\033[0;36m", "GPRS RLC/MAC layer Scheduling (RLCMAC)", LOGL_DEBUG, 1},
         {"DRLCMACMEAS", "\033[1;31m", "GPRS RLC/MAC layer Measurements (RLCMAC)", LOGL_INFO, 1},
+        {"DNS","\033[1;34m", "GPRS Network Service Protocol (NS)", LOGL_INFO , 1},
         {"DBSSGP","\033[1;34m", "GPRS BSS Gateway Protocol (BSSGP)", LOGL_INFO , 1},
         {"DPCU", "\033[1;35m", "GPRS Packet Control Unit (PCU)", LOGL_NOTICE, 1},
 };