diff --git a/release/Makefile b/release/Makefile
index 104670f9711..79a3e3fd3b1 100644
--- a/release/Makefile
+++ b/release/Makefile
@@ -83,7 +83,7 @@ kernel.txz:
 src.txz:
 	mkdir -p ${DISTDIR}/usr
 	ln -fs ${WORLDDIR} ${DISTDIR}/usr/src
-	cd ${DISTDIR} && tar cLvJf ${.OBJDIR}/src.txz --exclude .svn \
+	cd ${DISTDIR} && tar cLvJf ${.OBJDIR}/src.txz --exclude .svn --exclude .zfs \
 	    --exclude CVS --exclude @ --exclude usr/src/release/dist usr/src
 
 ports.txz: