diff --git a/devel/crystal/Makefile b/devel/crystal/Makefile
index a15502c61a02..4f732b12d85d 100644
--- a/devel/crystal/Makefile
+++ b/devel/crystal/Makefile
@@ -18,6 +18,7 @@ LIB_DEPENDS=	jpeg.9:${PORTSDIR}/graphics/jpeg \
 
 USE_BZIP2=	yes
 USE_GMAKE=	yes
+USE_XLIB=	yes
 
 WRKSRC=		${WRKDIR}/CS