diff --git a/components/bt/host/bluedroid/bta/gatt/bta_gattc_act.c b/components/bt/host/bluedroid/bta/gatt/bta_gattc_act.c
index 539d54c364..ee096928a2 100644
--- a/components/bt/host/bluedroid/bta/gatt/bta_gattc_act.c
+++ b/components/bt/host/bluedroid/bta/gatt/bta_gattc_act.c
@@ -526,12 +526,20 @@ void bta_gattc_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data)
             if (p_data->api_conn.is_aux) {
 #if (BLE_50_FEATURE_SUPPORT == TRUE)
                 p_dev_rec->ext_conn_params.phy_mask = p_data->api_conn.phy_mask;
-                memcpy(&p_dev_rec->ext_conn_params.phy_1m_conn_params, &p_data->api_conn.phy_1m_conn_params, sizeof(tBTA_BLE_CONN_PARAMS));
-                memcpy(&p_dev_rec->ext_conn_params.phy_2m_conn_params, &p_data->api_conn.phy_2m_conn_params, sizeof(tBTA_BLE_CONN_PARAMS));
-                memcpy(&p_dev_rec->ext_conn_params.phy_coded_conn_params, &p_data->api_conn.phy_coded_conn_params, sizeof(tBTA_BLE_CONN_PARAMS));
+                if (p_data->api_conn.phy_mask & BTA_BLE_PHY_1M_MASK) {
+                    memcpy(&p_dev_rec->ext_conn_params.phy_1m_conn_params, &p_data->api_conn.phy_1m_conn_params, sizeof(tBTA_BLE_CONN_PARAMS));
+                }
+                if (p_data->api_conn.phy_mask & BTA_BLE_PHY_2M_MASK) {
+                    memcpy(&p_dev_rec->ext_conn_params.phy_2m_conn_params, &p_data->api_conn.phy_2m_conn_params, sizeof(tBTA_BLE_CONN_PARAMS));
+                }
+                if (p_data->api_conn.phy_mask & BTA_BLE_PHY_CODED_MASK) {
+                    memcpy(&p_dev_rec->ext_conn_params.phy_coded_conn_params, &p_data->api_conn.phy_coded_conn_params, sizeof(tBTA_BLE_CONN_PARAMS));
+                }
 #endif
             } else {
-                memcpy(&p_dev_rec->conn_params, &p_data->api_conn.phy_1m_conn_params, sizeof(tBTA_BLE_CONN_PARAMS));
+                if (p_data->api_conn.phy_mask & BTA_BLE_PHY_1M_MASK) {
+                    memcpy(&p_dev_rec->conn_params, &p_data->api_conn.phy_1m_conn_params, sizeof(tBTA_BLE_CONN_PARAMS));
+                }
             }
         } else {
             APPL_TRACE_ERROR("Unknown Device, setting rejected");
diff --git a/components/bt/host/bluedroid/bta/gatt/bta_gattc_api.c b/components/bt/host/bluedroid/bta/gatt/bta_gattc_api.c
index 57ebf8c17b..20cff5255a 100644
--- a/components/bt/host/bluedroid/bta/gatt/bta_gattc_api.c
+++ b/components/bt/host/bluedroid/bta/gatt/bta_gattc_api.c
@@ -160,9 +160,15 @@ void BTA_GATTC_Enh_Open(tBTA_GATTC_IF client_if, BD_ADDR remote_bda, tBTA_ADDR_T
         p_buf->own_addr_type = own_addr_type;
         p_buf->phy_mask = phy_mask;
         memcpy(p_buf->remote_bda, remote_bda, BD_ADDR_LEN);
-        memcpy(&p_buf->phy_1m_conn_params, phy_1m_conn_params, sizeof(tBTA_BLE_CONN_PARAMS));
-        memcpy(&p_buf->phy_2m_conn_params, phy_2m_conn_params, sizeof(tBTA_BLE_CONN_PARAMS));
-        memcpy(&p_buf->phy_coded_conn_params, phy_coded_conn_params, sizeof(tBTA_BLE_CONN_PARAMS));
+        if ((phy_mask & BTA_BLE_PHY_1M_MASK) && phy_1m_conn_params) {
+            memcpy(&p_buf->phy_1m_conn_params, phy_1m_conn_params, sizeof(tBTA_BLE_CONN_PARAMS));
+        }
+        if ((phy_mask & BTA_BLE_PHY_2M_MASK) && phy_2m_conn_params) {
+            memcpy(&p_buf->phy_2m_conn_params, phy_2m_conn_params, sizeof(tBTA_BLE_CONN_PARAMS));
+        }
+        if ((phy_mask & BTA_BLE_PHY_CODED_MASK) && phy_coded_conn_params) {
+            memcpy(&p_buf->phy_coded_conn_params, phy_coded_conn_params, sizeof(tBTA_BLE_CONN_PARAMS));
+        }
 
         bta_sys_sendmsg(p_buf);
     }