diff --git a/dist/win/resources/main.wxs b/dist/win/resources/main.wxs
index df73b195f..c940b9f9a 100644
--- a/dist/win/resources/main.wxs
+++ b/dist/win/resources/main.wxs
@@ -132,11 +132,17 @@
       <CustomAction Id="JpSetARPURLUPDATEINFO" Property="ARPURLUPDATEINFO" Value="$(var.JpUpdateURL)" />
     <?endif?>
 
+    <Property Id="WixQuietExec64CmdTimeout" Value="20" />
+    <!-- Note for custom actions: Immediate CAs run BEFORE the files are installed, hence if you depend on installed files, the CAs must be deferred.-->
     <!-- WebDAV patches -->
-    <CustomAction Id="PatchWebDAV" Impersonate="no" ExeCommand="[INSTALLDIR]patchWebDAV.bat" Directory="INSTALLDIR" Execute="deferred" Return="asyncWait" />
+    <SetProperty Id="PatchWebDAV" Value="&quot;[INSTALLDIR]patchWebDAV.bat&quot;"
+            Sequence="execute" Before="PatchWebDAV" />
+    <CustomAction Id="PatchWebDAV" BinaryKey="WixCA" DllEntry="WixQuietExec64" Execute="deferred" Return="ignore" Impersonate="no"/>
 
     <!-- Special Settings migration for 1.7.0,. Should be removed eventually, for more info, see ../contrib/version170-migrate-settings.ps1-->
-    <CustomAction Id="V170MigrateSettings" Impersonate="no" ExeCommand="[INSTALLDIR]version170-migrate-settings.bat" Directory="INSTALLDIR" Execute="deferred" Return="asyncWait" />
+    <SetProperty Id="V170MigrateSettings" Value="&quot;[INSTALLDIR]version170-migrate-settings.bat&quot;"
+            Sequence="execute" Before="V170MigrateSettings" />
+    <CustomAction Id="V170MigrateSettings" BinaryKey="WixCA" DllEntry="WixQuietExec64" Execute="deferred" Return="ignore" Impersonate="no"/>
 
     <!-- Running App detection and exit -->
     <Property Id="FOUNDRUNNINGAPP" Admin="yes"/>