diff --git a/release/picobsd/build/Makefile.conf b/release/picobsd/build/Makefile.conf
index dad39641ecf..68b96d2d415 100644
--- a/release/picobsd/build/Makefile.conf
+++ b/release/picobsd/build/Makefile.conf
@@ -34,7 +34,7 @@ ${CONF}/${CONFFILE}: PICOBSD
 # This part creates crunch1.conf and crunch.mk from crunch.conf
 ${BUILDDIR}/crunch.mk: ${BUILDDIR}/crunch1.conf
 	-(cd ${BUILDDIR}/crunch ; \
-	crunchgen -p ${PICO_OBJ} -m ${.TARGET} ${.OODATE} )
+	crunchgen -p ${PICO_OBJ} -o -m ${.TARGET} ${.OODATE} )
 
 ${BUILDDIR}/crunch1.conf: ${MY_TREE}/crunch.conf
 	(cd ${BUILDDIR}/crunch ; cat ${.OODATE} | \