diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
index 500abc1090c..5af01702c09 100644
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@@ -14,6 +14,7 @@
     </JavaCodeStyleSettings>
     <JetCodeStyleSettings>
       <option name="LINE_BREAK_AFTER_MULTILINE_WHEN_ENTRY" value="false" />
+      <option name="ALLOW_TRAILING_COMMA" value="true" />
       <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
     </JetCodeStyleSettings>
     <MarkdownNavigatorCodeStyleSettings>