diff --git a/src/le-audio/gatt-service/microphone_control_service_server.c b/src/le-audio/gatt-service/microphone_control_service_server.c
index f9d249e09..f335f7290 100644
--- a/src/le-audio/gatt-service/microphone_control_service_server.c
+++ b/src/le-audio/gatt-service/microphone_control_service_server.c
@@ -145,7 +145,7 @@ void microphone_control_service_server_init(gatt_microphone_control_mute_t mute_
 	mc_mute_state = mute_state;
 	// get service handle range
 	uint16_t start_handle = 0;
-	uint16_t end_handle   = 0xfff;
+	uint16_t end_handle   = 0xffff;
 	int service_found = gatt_server_get_handle_range_for_service_with_uuid16(ORG_BLUETOOTH_SERVICE_MICROPHONE_CONTROL, &start_handle, &end_handle);
 	btstack_assert(service_found != 0);
 	UNUSED(service_found);
diff --git a/src/le-audio/gatt-service/volume_control_service_server.c b/src/le-audio/gatt-service/volume_control_service_server.c
index aa5813f0b..80b2f4848 100644
--- a/src/le-audio/gatt-service/volume_control_service_server.c
+++ b/src/le-audio/gatt-service/volume_control_service_server.c
@@ -415,7 +415,7 @@ void volume_control_service_server_init(uint8_t volume_setting, vcs_mute_t mute,
 
     // get service handle range
     uint16_t start_handle = 0;
-    uint16_t end_handle   = 0xfff;
+    uint16_t end_handle   = 0xffff;
     int service_found = gatt_server_get_handle_range_for_service_with_uuid16(ORG_BLUETOOTH_SERVICE_VOLUME_CONTROL, &start_handle, &end_handle);
     btstack_assert(service_found != 0);
     UNUSED(service_found);