diff --git a/plugins/roundcube-rule-exclusions-before.conf b/plugins/roundcube-rule-exclusions-before.conf
index 17766a0..b1f0b24 100644
--- a/plugins/roundcube-rule-exclusions-before.conf
+++ b/plugins/roundcube-rule-exclusions-before.conf
@@ -30,8 +30,7 @@ SecRule &TX:allowed_request_content_type "@eq 0" \
     pass,\
     nolog,\
     ver:'roundcube-rule-exclusions-plugin/1.0.2',\
-    setvar:'tx.allowed_request_content_type=|application/x-www-form-urlencoded| |multipart/form-data| |multipart/related| |text/xml| |application/xml| |application/soap+xml| |application/json| |application/cloudevents+json| |application/cloudevents-batch+json|'"
-
+    setvar:'tx.allowed_request_content_type=|application/x-www-form-urlencoded| |multipart/form-data| |text/xml| |application/xml| |application/soap+xml| |application/json|'"
 
 # Since Roundcube does everything within the same URL path, this plugin tries to improve code readability by creating seperate rules based
 # upon what kind of false positives they fix.