diff --git a/lib/samples/Makefile.in b/lib/samples/Makefile.in
index c98e45bf2b..41a54e1953 100644
--- a/lib/samples/Makefile.in
+++ b/lib/samples/Makefile.in
@@ -23,7 +23,7 @@ top_srcdir =	@top_srcdir@
 CINCLUDES =	-I${srcdir}/include -I../dns/include \
 		${DNS_INCLUDES} ${ISC_INCLUDES} \
 		-I${top_srcdir}/lib/irs/include \
-		-I../../irs/include
+		-I../../lib/irs/include
 
 CDEFINES =	-DVERSION=\"${VERSION}\" -DSYSCONFDIR=\"${sysconfdir}\"
 CWARNINGS =