diff --git a/stand/libsa/zfs/Makefile.inc b/stand/libsa/zfs/Makefile.inc
--- a/stand/libsa/zfs/Makefile.inc
+++ b/stand/libsa/zfs/Makefile.inc
@@ -83,3 +83,5 @@
 # To find blake3_impl.c in OpenZFS tree for our somehat ugly blake3_impl_hack.c
 # that's needed until the necessary tweaks can be upstreamed.
 CFLAGS.blake3_impl_hack.c+= -I${OZFS}/module/icp/algs/blake3
+
+CWARNFLAGS.zfs.c+= ${NO_WDANGLING_POINTER}