diff --git a/web/modals/threads/confirm-leave-thread-modal.react.js b/web/modals/threads/confirm-leave-thread-modal.react.js
--- a/web/modals/threads/confirm-leave-thread-modal.react.js
+++ b/web/modals/threads/confirm-leave-thread-modal.react.js
@@ -19,6 +19,7 @@
 
   return (
     <Modal
+      size="fit-content"
       name="Leaving channel"
       icon="warning-circle"
       withCloseButton={false}