diff --git a/tests/test-eapol.c b/tests/test-eapol.c
index 0a0844b..57f2118 100644
--- a/tests/test-eapol.c
+++ b/tests/test-eapol.c
@@ -270,7 +270,7 @@
 }
 
 
-static void supp_deauthenticate(void *ctx, int reason_code)
+static void supp_deauthenticate(void *ctx, u16 reason_code)
 {
 	wpa_printf(MSG_DEBUG, "SUPP: %s(%d)", __func__, reason_code);
 }