diff --git a/application/Espo/Modules/Crm/Business/Event/Ics.php b/application/Espo/Modules/Crm/Business/Event/Ics.php
index c36ea4bc04..f17aa02f39 100644
--- a/application/Espo/Modules/Crm/Business/Event/Ics.php
+++ b/application/Espo/Modules/Crm/Business/Event/Ics.php
@@ -135,6 +135,6 @@ private function formatMultiline(?string $string): string
             return '';
         }
 
-        return str_replace(["\r\n", "\n"], "\\r\\n", $string);
+        return str_replace(["\r\n", "\n"], "\\n", $string);
     }
 }