diff --git a/src/blecsan.cpp b/src/blecsan.cpp
index 29319acc..d6277941 100644
--- a/src/blecsan.cpp
+++ b/src/blecsan.cpp
@@ -11,6 +11,7 @@ https://github.com/nkolban/esp32-snippets/tree/master/BLE/scanner
 #include <esp_bt.h>
 #include <esp_bt_main.h>
 #include <esp_gap_ble_api.h>
+#include <esp_blufi_api.h>
 #include <bt_types.h>
 
 #define BT_BD_ADDR_HEX(addr)   addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]