diff --git a/benchmarks/pathload/Makefile b/benchmarks/pathload/Makefile
index e56d5db791bf..df35dd7d8f5b 100644
--- a/benchmarks/pathload/Makefile
+++ b/benchmarks/pathload/Makefile
@@ -19,6 +19,10 @@ MAKE_JOBS_UNSAFE=	yes
 
 PLIST_FILES=	bin/pathload_rcv bin/pathload_snd
 
+post-patch:
+	@${REINPLACE_CMD} -e '/^int main/s/l_int32 argc/int argc/' \
+		${WRKSRC}/pathload_rcv.c
+
 do-install:
 .for f in pathload_rcv pathload_snd
 	${INSTALL_PROGRAM} ${WRKSRC}/${f} ${STAGEDIR}${PREFIX}/bin