diff --git a/cassh.sh b/cassh.sh
index 37c8978..c1456c8 100644
--- a/cassh.sh
+++ b/cassh.sh
@@ -139,7 +139,8 @@ main_issue()
 	if [ ! -d "$PATH_PUBKEYS_DIR" ]; then
 		exit 0
 	fi
-	find "$PATH_PUBKEYS_DIR/" -type f -name '*.pub' ! -name '*-cert.pub' | {
+	find "$PATH_PUBKEYS_DIR" -type f -name '*.pub' ! -name '*-cert.pub' |
+	    sort | {
 		ca_comment=$(get_ca_sk_comment_from_pk "$PATH_CA_PUB")
 		: ${ca_comment:=cassh}