diff --git a/deploy/fortigate.sh b/deploy/fortigate.sh
index e5b80a57..6852d4b1 100644
--- a/deploy/fortigate.sh
+++ b/deploy/fortigate.sh
@@ -71,7 +71,7 @@ EOF
 
 # Main function
 fortigate_deploy() {
-  _cdomain=$(echo "$1" | sed 's/*/WILDCARD_/g')
+  _cdomain="$(echo "$1" | sed 's/*/WILDCARD_/g')_$(date -u +"%Y-%m-%d")" # Append date to certname to avoid conflicts
   _ckey="$2"
   _cfullchain="$5"