diff --git a/net-mgmt/nrpe/Makefile b/net-mgmt/nrpe/Makefile
index b88608c..ea00d05 100644
--- a/net-mgmt/nrpe/Makefile
+++ b/net-mgmt/nrpe/Makefile
@@ -61,11 +61,11 @@ NAGIOSGROUP?=	nagios
 
 NRPE_PIDDIR?=	/var/run/nrpe
 
-.if ${FLAVOR} == monplugins
+.if ${FLAVOR:U} == monplugins
 OPTIONS_DEFAULT+=	MONPLUGINS
 .endif
 
-.if ${FLAVOR} == default
+.if ${FLAVOR:U} == default
 OPTIONS_DEFAULT+=	NAGPLUGINS
 .endif