diff --git a/lib/krb5/verify_user.c b/lib/krb5/verify_user.c
index ac47e0356..26d41434c 100644
--- a/lib/krb5/verify_user.c
+++ b/lib/krb5/verify_user.c
@@ -45,7 +45,7 @@ krb5_verify_user(krb5_context context,
 		 krb5_principal principal,
 		 krb5_ccache ccache,
 		 const char *password,
-		 int secure,
+		 krb5_boolean secure,
 		 const char *service)
 {