diff --git a/lib/libsys/Makefile b/lib/libsys/Makefile
index 668c263c506..5e8c39deb46 100644
--- a/lib/libsys/Makefile
+++ b/lib/libsys/Makefile
@@ -21,6 +21,7 @@ LIBC_ARCH=${MACHINE_CPUARCH}
 LIB=sys
 SHLIB_MAJOR= 7
 WARNS?=	2
+MK_SSP=		no
 
 CFLAGS+=-I${LIBSYS_SRCTOP}/include -I${LIBC_SRCTOP}/include
 CFLAGS+=-I${LIBSYS_SRCTOP}/${LIBC_ARCH}