diff --git a/openbsc/include/openbsc/bsc_nat.h b/openbsc/include/openbsc/bsc_nat.h
index ad46aaa..f74cae2 100644
--- a/openbsc/include/openbsc/bsc_nat.h
+++ b/openbsc/include/openbsc/bsc_nat.h
@@ -261,6 +261,7 @@
 /* create and init the structures */
 struct bsc_config *bsc_config_alloc(struct bsc_nat *nat, const char *token);
 struct bsc_config *bsc_config_num(struct bsc_nat *nat, int num);
+void bsc_config_free(struct bsc_config *);
 void bsc_config_add_lac(struct bsc_config *cfg, int lac);
 void bsc_config_del_lac(struct bsc_config *cfg, int lac);
 int bsc_config_handles_lac(struct bsc_config *cfg, int lac);
diff --git a/openbsc/src/nat/bsc_nat_utils.c b/openbsc/src/nat/bsc_nat_utils.c
index 6a3b274..cd294cc 100644
--- a/openbsc/src/nat/bsc_nat_utils.c
+++ b/openbsc/src/nat/bsc_nat_utils.c
@@ -142,6 +142,11 @@
 	return conf;
 }
 
+void bsc_config_free(struct bsc_config *cfg)
+{
+	rate_ctr_group_free(cfg->stats.ctrg);
+}
+
 void bsc_config_add_lac(struct bsc_config *cfg, int _lac)
 {
 	struct bsc_lac_entry *lac;
diff --git a/openbsc/tests/bsc-nat/bsc_nat_test.c b/openbsc/tests/bsc-nat/bsc_nat_test.c
index 1d9052d..3e943cf 100644
--- a/openbsc/tests/bsc-nat/bsc_nat_test.c
+++ b/openbsc/tests/bsc-nat/bsc_nat_test.c
@@ -377,6 +377,7 @@
 	talloc_free(parsed);
 
 
+	bsc_config_free(con->cfg);
 	talloc_free(nat);
 	msgb_free(msg);
 }
@@ -548,6 +549,7 @@
 		abort();
 	}
 
+	bsc_config_free(bsc->cfg);
 	talloc_free(nat);
 }