diff --git a/packages/desktop/installer.wxs b/packages/desktop/installer.wxs
index b6fc9940..610addcf 100644
--- a/packages/desktop/installer.wxs
+++ b/packages/desktop/installer.wxs
@@ -153,7 +153,7 @@
       </Component>
 
       <Component Id="Path" Guid="{{path_component_guid}}" Win64="$(var.Win64)">
-        <File Id="Path" Source="{{app_exe_source}}" KeyPath="yes" Checksum="yes" />
+        <File Id="Path" Source="{{main_binary_path}}" KeyPath="yes" Checksum="yes" />
 
         {{#each file_associations as |association| ~}}
         {{#each association.ext as |ext| ~}}