diff --git a/features/FEATURE_BLE/source/GattClient.tpp b/features/FEATURE_BLE/source/GattClient.tpp
index 65a3162bf6..5d38c469e0 100644
--- a/features/FEATURE_BLE/source/GattClient.tpp
+++ b/features/FEATURE_BLE/source/GattClient.tpp
@@ -124,6 +124,13 @@ void GattClient<Impl>::terminateCharacteristicDescriptorDiscovery(
     return impl()->terminateCharacteristicDescriptorDiscovery_(characteristic);
 }
 
+template<class Impl>
+ble_error_t GattClient<Impl>::negotiateAttMtu(
+    ble::connection_handle_t connHandle
+) {
+    return impl()->negotiateAttMtu_(connHandle);
+}
+
 template<class Impl>
 ble_error_t GattClient<Impl>::reset(void)
 {