diff --git a/src/libcharon/sa/ike_sa.c b/src/libcharon/sa/ike_sa.c
index 841fde34b..50b9d2f03 100644
--- a/src/libcharon/sa/ike_sa.c
+++ b/src/libcharon/sa/ike_sa.c
@@ -322,6 +322,15 @@ METHOD(ike_sa_t, get_statistic, u_int32_t,
 	return 0;
 }
 
+METHOD(ike_sa_t, set_statistic, void,
+	private_ike_sa_t *this, statistic_t kind, u_int32_t value)
+{
+	if (kind < STAT_MAX)
+	{
+		this->stats[kind] = value;
+	}
+}
+
 METHOD(ike_sa_t, get_my_host, host_t*,
 	private_ike_sa_t *this)
 {
@@ -2148,6 +2157,7 @@ ike_sa_t * ike_sa_create(ike_sa_id_t *ike_sa_id, bool initiator,
 			.set_state = _set_state,
 			.get_name = _get_name,
 			.get_statistic = _get_statistic,
+			.set_statistic = _set_statistic,
 			.process_message = _process_message,
 			.initiate = _initiate,
 			.get_ike_cfg = _get_ike_cfg,
diff --git a/src/libcharon/sa/ike_sa.h b/src/libcharon/sa/ike_sa.h
index 2753fca1c..832f8f141 100644
--- a/src/libcharon/sa/ike_sa.h
+++ b/src/libcharon/sa/ike_sa.h
@@ -315,6 +315,14 @@ struct ike_sa_t {
 	 */
 	u_int32_t (*get_statistic)(ike_sa_t *this, statistic_t kind);
 
+	/**
+	 * Set statistic value of the IKE_SA.
+	 *
+	 * @param kind			kind of value to update
+	 * @param value			value as integer
+	 */
+	void (*set_statistic)(ike_sa_t *this, statistic_t kind, u_int32_t value);
+
 	/**
 	 * Get the own host address.
 	 *