diff --git a/example/a2dp_sink_demo.c b/example/a2dp_sink_demo.c
index a9386c358..bdb520ba8 100644
--- a/example/a2dp_sink_demo.c
+++ b/example/a2dp_sink_demo.c
@@ -991,7 +991,7 @@ static void avrcp_target_packet_handler(uint8_t packet_type, uint16_t channel, u
             break;
         
         case AVRCP_SUBEVENT_OPERATION:
-            operation_id = avrcp_subevent_operation_get_operation_id(packet);
+            operation_id = (avrcp_operation_id_t) avrcp_subevent_operation_get_operation_id(packet);
             button_state = avrcp_subevent_operation_get_button_pressed(packet) > 0 ? "PRESS" : "RELEASE";
             switch (operation_id){
                 case AVRCP_OPERATION_ID_VOLUME_UP:
diff --git a/example/a2dp_source_demo.c b/example/a2dp_source_demo.c
index 02b7d9591..392908159 100644
--- a/example/a2dp_source_demo.c
+++ b/example/a2dp_source_demo.c
@@ -848,7 +848,7 @@ static void avrcp_target_packet_handler(uint8_t packet_type, uint16_t channel, u
         //     status = avrcp_target_now_playing_info(avrcp_cid);
         //     break;
         case AVRCP_SUBEVENT_OPERATION:
-            operation_id = avrcp_subevent_operation_get_operation_id(packet);
+            operation_id = (avrcp_operation_id_t) avrcp_subevent_operation_get_operation_id(packet);
             button_pressed = avrcp_subevent_operation_get_button_pressed(packet) > 0;
             button_state = button_pressed ? "PRESS" : "RELEASE";