diff --git a/src/add-ons/kernel/bluetooth/btCoreData/BTCoreData.cpp b/src/add-ons/kernel/bluetooth/btCoreData/BTCoreData.cpp
index accbda194a..e7bcacd941 100644
--- a/src/add-ons/kernel/bluetooth/btCoreData/BTCoreData.cpp
+++ b/src/add-ons/kernel/bluetooth/btCoreData/BTCoreData.cpp
@@ -14,6 +14,10 @@
 #define BT_DEBUG_THIS_MODULE
 #include <btDebug.h>
 
+
+int32 api_version = B_CUR_DRIVER_API_VERSION;
+
+
 DoublyLinkedList<HciConnection> sConnectionList;
 net_buffer_module_info* gBufferModule = NULL;