diff --git a/src/fido/fido.h b/src/fido/fido.h
index 59c35f3..ecb34a8 100644
--- a/src/fido/fido.h
+++ b/src/fido/fido.h
@@ -75,6 +75,7 @@ extern bool getUserVerifiedFlagValue();
 extern void clearUserPresentFlag();
 extern void clearUserVerifiedFlag();
 extern void clearPinUvAuthTokenPermissionsExceptLbw();
+extern void send_keepalive();
 #define MAX_CREDENTIAL_COUNT_IN_LIST 16
 #define MAX_CRED_ID_LENGTH        1024
 #define MAX_RESIDENT_CREDENTIALS  256