diff --git a/openbsc/src/debug.c b/openbsc/src/debug.c
index 6d4d1b2..1624e96 100644
--- a/openbsc/src/debug.c
+++ b/openbsc/src/debug.c
@@ -52,6 +52,7 @@
     [DMGCP]	= { .enabled = 1, .loglevel = 0},
     [DHO]	= { .enabled = 1, .loglevel = 0},
     [DDB]	= { .enabled = 1, .loglevel = 0},
+    [DREF]	= { .enabled = 0, .loglevel = 0},
 };
 
 struct debug_info {
@@ -95,6 +96,7 @@
 	DEBUG_CATEGORY(DMGCP, "DMGCP", "", "")
 	DEBUG_CATEGORY(DHO, "DHO", "", "")
 	DEBUG_CATEGORY(DDB, "DDB", "", "")
+	DEBUG_CATEGORY(DDB, "DREF", "", "")
 };
 
 /*
diff --git a/openbsc/src/gsm_subscriber_base.c b/openbsc/src/gsm_subscriber_base.c
index 48374ea..0570061 100644
--- a/openbsc/src/gsm_subscriber_base.c
+++ b/openbsc/src/gsm_subscriber_base.c
@@ -137,7 +137,7 @@
 struct gsm_subscriber *subscr_get(struct gsm_subscriber *subscr)
 {
 	subscr->use_count++;
-	DEBUGP(DCC, "subscr %s usage increases usage to: %d\n",
+	DEBUGP(DREF, "subscr %s usage increases usage to: %d\n",
 			subscr->extension, subscr->use_count);
 	return subscr;
 }
@@ -145,7 +145,7 @@
 struct gsm_subscriber *subscr_put(struct gsm_subscriber *subscr)
 {
 	subscr->use_count--;
-	DEBUGP(DCC, "subscr %s usage decreased usage to: %d\n",
+	DEBUGP(DREF, "subscr %s usage decreased usage to: %d\n",
 			subscr->extension, subscr->use_count);
 	if (subscr->use_count <= 0)
 		subscr_free(subscr);