diff --git a/security/sudo/Makefile b/security/sudo/Makefile
index 54a614c..37af775 100644
--- a/security/sudo/Makefile
+++ b/security/sudo/Makefile
@@ -96,7 +96,7 @@ SSSD_PREVENTS_MSG=	sssd requires MIT kerberos and it conflicts with heimdal
 SSSD_RUN_DEPENDS=	sssd:security/sssd
 SSSD_CONFIGURE_ON=	--with-sssd
 
-.if ${FLAVOR} == sssd
+.if ${FLAVOR:U} == sssd
 OPTIONS_DEFAULTS+=	SSSD2
 .endif