diff --git a/Mk/bsd.options.mk b/Mk/bsd.options.mk
index 34fd0845e99d..2a1a01b30cbe 100644
--- a/Mk/bsd.options.mk
+++ b/Mk/bsd.options.mk
@@ -139,6 +139,7 @@ OPTIONS_DEFAULT:=	${OPTIONS_DEFAULT:O:u}
 .for opt in ${_ALL_EXCLUDE}
 OPTIONS_DEFAULT:=	${OPTIONS_DEFAULT:N${opt}}
 ALL_OPTIONS:=		${ALL_OPTIONS:N${opt}}
+PORT_OPTIONS:=		${PORT_OPTIONS:N${opt}}
 .endfor
 
 # Remove illegal per-arch options