diff --git a/crates/zed/resources/windows/zed.iss b/crates/zed/resources/windows/zed.iss
index c25888becb10779b2328b1ceb4cee42601210bfa..6971aa0e3822cff8564e33764a43cd1114161ec4 100644
--- a/crates/zed/resources/windows/zed.iss
+++ b/crates/zed/resources/windows/zed.iss
@@ -31,7 +31,7 @@ WizardStyle=modern
 
 CloseApplications=force
 
-#ifdef DefaultSign
+#ifdef Defaultsign
 SignTool=Defaultsign
 #endif