diff --git a/modules/fingerprint/fingerprint.c b/modules/fingerprint/fingerprint.c
index f9fd44b..ac7e35b 100644
--- a/modules/fingerprint/fingerprint.c
+++ b/modules/fingerprint/fingerprint.c
@@ -33,6 +33,7 @@
 }
 
 static int fingerprint_enroll(struct fingerprint_device __unused *dev,
+                                const hw_auth_token_t __unused *hat,
                                 uint32_t __unused gid,
                                 uint32_t __unused timeout_sec) {
     return FINGERPRINT_ERROR;