diff --git a/x11-toolkits/fltk/Makefile b/x11-toolkits/fltk/Makefile
index f568a86b11e3..b52b935b6e99 100644
--- a/x11-toolkits/fltk/Makefile
+++ b/x11-toolkits/fltk/Makefile
@@ -42,8 +42,8 @@ post-patch:
 
 .if ${PORT_OPTIONS:MDOCS}
 post-install:
-	cd ${WRKSRC}/documentation && ${MAKE} docinstall
-	cd ${WRKSRC}/test && ${MAKE} install
+	cd ${WRKSRC}/documentation && ${MAKE} ${MAKE_ARGS} docinstall
+	cd ${WRKSRC}/test && ${MAKE} ${MAKE_ARGS} install
 .endif
 
 .include <bsd.port.mk>