diff --git a/lib/libz/Makefile b/lib/libz/Makefile
index bc723afd5b21..1b2fec59911a 100644
--- a/lib/libz/Makefile
+++ b/lib/libz/Makefile
@@ -55,6 +55,8 @@ CFLAGS+=	-DSYMBOL_VERSIONING
 
 INCS=		zconf.h zlib.h
 
+.PATH:		${.CURDIR}/test
+
 minigzip:	all minigzip.o
 	$(CC) -o minigzip minigzip.o -L. -lz