diff --git a/lib/librt/Makefile b/lib/librt/Makefile
--- a/lib/librt/Makefile
+++ b/lib/librt/Makefile
@@ -2,6 +2,7 @@
 
 .include <src.opts.mk>
 
+PACKAGE=clibs
 LIB=rt
 SHLIB_MAJOR= 1
 CFLAGS+=-I${SRCTOP}/lib/libc/include -I${.CURDIR}