diff --git a/macos/Ghostty.sdef b/macos/Ghostty.sdef
index 647fac3db..9ed37f764 100644
--- a/macos/Ghostty.sdef
+++ b/macos/Ghostty.sdef
@@ -5,7 +5,9 @@
   <suite name="Ghostty Suite" code="Ghst" description="Ghostty scripting support.">
     <class name="application" code="capp" description="The Ghostty application.">
       <cocoa class="NSApplication"/>
-      <responds-to command="perform action"/>
+      <responds-to command="perform action">
+        <cocoa method="handlePerformActionScriptCommand:"/>
+      </responds-to>
       <element type="terminal" access="r">
         <cocoa key="terminals"/>
       </element>