diff --git a/sysutils/obshutdown/Makefile b/sysutils/obshutdown/Makefile
index 002da4c..e187afb 100644
--- a/sysutils/obshutdown/Makefile
+++ b/sysutils/obshutdown/Makefile
@@ -18,7 +18,7 @@ LIB_DEPENDS=	libpng16.so:graphics/png \
 	libinotify.so:devel/libinotify \
 	libpcre2-8.so:devel/pcre2
 
-USES=		autoreconf gnome iconv xorg
+USES=		autoreconf gnome iconv pkgconfig xorg
 GNU_CONFIGURE=	yes
 USE_GNOME=	cairo gdkpixbuf glib20 gtk20 pango
 USE_XORG=	pixman x11 xau xcb xcomposite xcursor xdamage xdmcp xext \