diff --git a/x11/xmold/Makefile b/x11/xmold/Makefile
index de19bd79f73a..81e19f4a9dd2 100644
--- a/x11/xmold/Makefile
+++ b/x11/xmold/Makefile
@@ -14,7 +14,7 @@ DISTNAME=	${PORTNAME}
 MAINTAINER=	nakai@FreeBSD.org
 
 USE_IMAKE=	yes
-NO_INSTALL_MANPAGE=	yes
+NO_INSTALL_MANPAGES=	yes
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/xmold ${PREFIX}/bin