diff --git a/src/gb/gprs_bssgp.c b/src/gb/gprs_bssgp.c
index 2552849..b906643 100644
--- a/src/gb/gprs_bssgp.c
+++ b/src/gb/gprs_bssgp.c
@@ -43,17 +43,17 @@
 void *bssgp_tall_ctx = NULL;
 
 static const struct rate_ctr_desc bssgp_ctr_description[] = {
-	{ "packets.in",	"Packets at BSSGP Level ( In)" },
-	{ "packets.out","Packets at BSSGP Level (Out)" },
-	{ "bytes.in",	"Bytes at BSSGP Level   ( In)" },
-	{ "bytes.out",	"Bytes at BSSGP Level   (Out)" },
+	{ "packets:in",	"Packets at BSSGP Level ( In)" },
+	{ "packets:out","Packets at BSSGP Level (Out)" },
+	{ "bytes:in",	"Bytes at BSSGP Level   ( In)" },
+	{ "bytes:out",	"Bytes at BSSGP Level   (Out)" },
 	{ "blocked",	"BVC Blocking count" },
 	{ "discarded",	"BVC LLC Discarded count" },
 	{ "status",	"BVC Status count" },
 };
 
 static const struct rate_ctr_group_desc bssgp_ctrg_desc = {
-	.group_name_prefix = "bssgp.bss_ctx",
+	.group_name_prefix = "bssgp:bss_ctx",
 	.group_description = "BSSGP Peer Statistics",
 	.num_ctr = ARRAY_SIZE(bssgp_ctr_description),
 	.ctr_desc = bssgp_ctr_description,
diff --git a/src/gb/gprs_ns.c b/src/gb/gprs_ns.c
index 18d43cc..679b59d 100644
--- a/src/gb/gprs_ns.c
+++ b/src/gb/gprs_ns.c
@@ -115,22 +115,22 @@
 };
 
 static const struct rate_ctr_desc nsvc_ctr_description[] = {
-	{ "packets.in", "Packets at NS Level  ( In)" },
-	{ "packets.out","Packets at NS Level  (Out)" },
-	{ "bytes.in",	"Bytes at NS Level    ( In)" },
-	{ "bytes.out",	"Bytes at NS Level    (Out)" },
+	{ "packets:in", "Packets at NS Level  ( In)" },
+	{ "packets:out","Packets at NS Level  (Out)" },
+	{ "bytes:in",	"Bytes at NS Level    ( In)" },
+	{ "bytes:out",	"Bytes at NS Level    (Out)" },
 	{ "blocked",	"NS-VC Block count         " },
 	{ "dead",	"NS-VC gone dead count     " },
 	{ "replaced",	"NS-VC replaced other count" },
 	{ "nsei-chg",	"NS-VC changed NSEI count  " },
 	{ "inv-nsvci",	"NS-VCI was invalid count  " },
 	{ "inv-nsei",	"NSEI was invalid count    " },
-	{ "lost.alive",	"ALIVE ACK missing count   " },
-	{ "lost.reset",	"RESET ACK missing count   " },
+	{ "lost:alive",	"ALIVE ACK missing count   " },
+	{ "lost:reset",	"RESET ACK missing count   " },
 };
 
 static const struct rate_ctr_group_desc nsvc_ctrg_desc = {
-	.group_name_prefix = "ns.nsvc",
+	.group_name_prefix = "ns:nsvc",
 	.group_description = "NSVC Peer Statistics",
 	.num_ctr = ARRAY_SIZE(nsvc_ctr_description),
 	.ctr_desc = nsvc_ctr_description,