diff --git a/src/NimBLEMeshElement.cpp b/src/NimBLEMeshElement.cpp
index f3e99ac..3fba746 100644
--- a/src/NimBLEMeshElement.cpp
+++ b/src/NimBLEMeshElement.cpp
@@ -64,7 +64,7 @@ NimBLEMeshModel* NimBLEMeshElement::createModel(uint16_t type, NimBLEMeshModelCa
         case BT_MESH_MODEL_ID_HEALTH_SRV:
             m_pHealthModel = new NimBLEHealthSrvModel(pCallbacks);
             pModel = m_pHealthModel;
-            m_modelsVec.push_back(bt_mesh_model{{type},0,0,0,&pModel->m_opPub,{0},{0},bt_mesh_health_srv_op,&m_pHealthModel->m_healthSrv});
+            m_modelsVec.push_back(bt_mesh_model{{type},0,0,0,&pModel->m_opPub,{0},{0},bt_mesh_health_srv_op,&bt_mesh_health_cli_cb,&m_pHealthModel->m_healthSrv});
             return pModel;
 
         default:
@@ -72,7 +72,7 @@ NimBLEMeshModel* NimBLEMeshElement::createModel(uint16_t type, NimBLEMeshModelCa
             return nullptr;
     }
 
-    m_modelsVec.push_back(bt_mesh_model{{type},0,0,0, &pModel->m_opPub,{0},{0},pModel->m_opList, pModel});
+    m_modelsVec.push_back(bt_mesh_model{{type},0,0,0, &pModel->m_opPub,{0},{0},pModel->m_opList,nullptr,pModel});
     return pModel;
 }
 
diff --git a/src/NimBLEMeshNode.cpp b/src/NimBLEMeshNode.cpp
index 02386fa..fcd3fbc 100644
--- a/src/NimBLEMeshNode.cpp
+++ b/src/NimBLEMeshNode.cpp
@@ -161,7 +161,7 @@ bool NimBLEMeshNode::start() {
 
     // Config server and primary health models are required in the primary element
     // create them here and add them as the first models.
-    m_configSrvModel = new bt_mesh_model{{BT_MESH_MODEL_ID_CFG_SRV},0,0,0,nullptr,{0},{0},bt_mesh_cfg_srv_op,&m_serverConfig};
+    m_configSrvModel = new bt_mesh_model{{BT_MESH_MODEL_ID_CFG_SRV},0,0,0,nullptr,{0},{0},bt_mesh_cfg_srv_op,&bt_mesh_cfg_srv_cb,&m_serverConfig};
     for(int i = 0; i < CONFIG_BT_MESH_MODEL_KEY_COUNT; i++) {
         m_configSrvModel->keys[i] = BT_MESH_KEY_UNUSED;
     }