diff --git a/crawl.sh b/crawl.sh
index a0d9ba36..0de3ef2a 100755
--- a/crawl.sh
+++ b/crawl.sh
@@ -12,9 +12,11 @@ while read l; do
   curl -s $l | jq > $fn
 done < urls.txt
 
+tmp=$(mktemp)
+
 # sort keys for better diffs
-jq -S '.' www.googleapis.com/oauth2/v1/certs > ${TMPDIR}/tmp && mv ${TMPDIR}/tmp www.googleapis.com/oauth2/v1/certs
+jq -S '.' www.googleapis.com/oauth2/v1/certs > ${tmp} && mv ${tmp} www.googleapis.com/oauth2/v1/certs
 
 # sort keys and items for better diffs
-jq -S '.keys = (.keys | sort_by("kid"))' www.googleapis.com/oauth2/v2/certs > ${TMPDIR}/tmp && mv ${TMPDIR}/tmp www.googleapis.com/oauth2/v2/certs 
-jq -S '.keys = (.keys | sort_by("kid"))' www.googleapis.com/oauth2/v3/certs > ${TMPDIR}/tmp && mv ${TMPDIR}/tmp www.googleapis.com/oauth2/v3/certs 
+jq -S '.keys = (.keys | sort_by("kid"))' www.googleapis.com/oauth2/v2/certs > ${tmp} && mv ${tmp} www.googleapis.com/oauth2/v2/certs 
+jq -S '.keys = (.keys | sort_by("kid"))' www.googleapis.com/oauth2/v3/certs > ${tmp} && mv ${tmp} www.googleapis.com/oauth2/v3/certs