diff --git a/Makefile.libcompat b/Makefile.libcompat
index d165bba341c8..e132a9f8442f 100644
--- a/Makefile.libcompat
+++ b/Makefile.libcompat
@@ -56,6 +56,7 @@ build${libcompat}: .PHONY
 	    -p ${WORLDTMP}/usr/lib/debug/usr >/dev/null
 .endif
 	${_+_}cd ${.CURDIR}; \
+	    PATH=${BPATH:Q}:${PATH:Q} \
 	    WORLDTMP=${WORLDTMP} \
 	    MAKEFLAGS="-m ${.CURDIR}/tools/build/mk ${.MAKEFLAGS}" \
 	    ${MAKE} -f Makefile.inc1 \