diff --git a/data/Dockerfiles/watchdog/watchdog.sh b/data/Dockerfiles/watchdog/watchdog.sh
index d4de6d8dbb..7f125f76d1 100755
--- a/data/Dockerfiles/watchdog/watchdog.sh
+++ b/data/Dockerfiles/watchdog/watchdog.sh
@@ -169,9 +169,13 @@ function notify_error() {
       return 1
     fi
 
+    # Escape subject and body (https://stackoverflow.com/a/2705678)
+    ESCAPED_SUBJECT=$(echo ${SUBJECT} | sed -e 's/[\/&]/\\&/g')
+    ESCAPED_BODY=$(echo ${BODY} | sed -e 's/[\/&]/\\&/g')
+
     # Replace subject and body placeholders
-    WEBHOOK_BODY=$(echo ${WATCHDOG_NOTIFY_WEBHOOK_BODY} | sed "s/\$SUBJECT\|\${SUBJECT}/$SUBJECT/g" | sed "s/\$BODY\|\${BODY}/$BODY/g")
-    
+    WEBHOOK_BODY=$(echo ${WATCHDOG_NOTIFY_WEBHOOK_BODY} | sed -e "s/\$SUBJECT\|\${SUBJECT}/$ESCAPED_SUBJECT/g" -e "s/\$BODY\|\${BODY}/$ESCAPED_BODY/g")
+
     # POST to webhook
     curl -X POST -H "Content-Type: application/json" ${CURL_VERBOSE} -d "${WEBHOOK_BODY}" ${WATCHDOG_NOTIFY_WEBHOOK}
 
diff --git a/docker-compose.yml b/docker-compose.yml
index baec698ec3..9257fe3553 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -479,7 +479,6 @@ services:
         - mysql-mailcow
         - acme-mailcow
         - redis-mailcow
-
       environment:
         - IPV6_NETWORK=${IPV6_NETWORK:-fd4d:6169:6c63:6f77::/64}
         - LOG_LINES=${LOG_LINES:-9999}