diff --git a/app/src/ble.c b/app/src/ble.c
index a63b0769..61fe07cd 100644
--- a/app/src/ble.c
+++ b/app/src/ble.c
@@ -85,7 +85,7 @@ BUILD_ASSERT(DEVICE_NAME_LEN <= 16, "ERROR: BLE device name is too long. Max len
 
 static struct bt_data zmk_ble_ad[] = {
 #if IS_HOST_PERIPHERAL
-    BT_DATA(BT_DATA_NAME_COMPLETE, device_name, 16),
+    BT_DATA(BT_DATA_NAME_COMPLETE, device_name, DEVICE_NAME_ARRAY_MAX_SIZE-1),
     BT_DATA_BYTES(BT_DATA_GAP_APPEARANCE, 0xC1, 0x03),
 #endif
     BT_DATA_BYTES(BT_DATA_FLAGS, (BT_LE_AD_GENERAL | BT_LE_AD_NO_BREDR)),