diff --git a/include/osmocom/core/counter.h b/include/osmocom/core/counter.h
index e692f7e..259f1ed 100644
--- a/include/osmocom/core/counter.h
+++ b/include/osmocom/core/counter.h
@@ -44,6 +44,8 @@
 
 int osmo_counters_for_each(int (*handle_counter)(struct osmo_counter *, void *), void *data);
 
+int osmo_counters_count();
+
 struct osmo_counter *osmo_counter_get_by_name(const char *name);
 
 int osmo_counter_difference(struct osmo_counter *ctr);