diff --git a/contrib/wix/guids.wxi b/contrib/wix/guids.wxi
--- a/contrib/wix/guids.wxi
+++ b/contrib/wix/guids.wxi
@@ -19,7 +19,8 @@
   <?define doc.style.css = {172F8262-98E0-4711-BD39-4DAE0D77EF05} ?>
 
   <!-- help.wxs -->
-  <?define helpFolder.guid = {9FA957DB-6DFE-44f2-AD03-293B2791CF17} ?>
+  <?define help.root.guid = {9FA957DB-6DFE-44f2-AD03-293B2791CF17} ?>
+  <?define help.internals.guid = {2DD7669D-0DB8-4C39-9806-78E6475E7ACC} ?>
 
   <!-- i18n.wxs -->
   <?define i18nFolder.guid = {1BF8026D-CF7C-4174-AEE6-D6B7BF119248} ?>
diff --git a/contrib/wix/help.wxs b/contrib/wix/help.wxs
--- a/contrib/wix/help.wxs
+++ b/contrib/wix/help.wxs
@@ -5,9 +5,16 @@
   <?include defines.wxi ?>
 
   <Fragment>
+    <ComponentGroup Id='helpFolder'>
+      <ComponentRef Id='help.root' />
+      <ComponentRef Id='help.internals' />
+    </ComponentGroup>
+  </Fragment>
+
+  <Fragment>
     <DirectoryRef Id="INSTALLDIR">
       <Directory Id="helpdir" Name="help" FileSource="$(var.SourceDir)">
-        <Component Id="helpFolder" Guid="$(var.helpFolder.guid)" Win64='$(var.IsX64)'>
+        <Component Id="help.root" Guid="$(var.help.root.guid)" Win64='$(var.IsX64)'>
           <File Name="config.txt" KeyPath="yes" />
           <File Name="dates.txt" />
           <File Name="diffs.txt" />
@@ -28,6 +35,15 @@
           <File Name="templates.txt" />
           <File Name="urls.txt" />
         </Component>
+
+        <Directory Id="help.internaldir" Name="internals">
+          <Component Id="help.internals" Guid="$(var.help.internals.guid)" Win64='$(var.IsX64)'>
+            <File Id="internals.bundles.txt"      Name="bundles.txt" KeyPath="yes" />
+            <File Id="internals.changegroups.txt" Name="changegroups.txt" />
+            <File Id="internals.revlogs.txt"      Name="revlogs.txt" />
+          </Component>
+        </Directory>
+
       </Directory>
     </DirectoryRef>
   </Fragment>
diff --git a/contrib/wix/mercurial.wxs b/contrib/wix/mercurial.wxs
--- a/contrib/wix/mercurial.wxs
+++ b/contrib/wix/mercurial.wxs
@@ -124,7 +124,7 @@
         <ComponentRef Id='COPYING' />
         <ComponentRef Id='mercurial.rc' />
         <ComponentRef Id='mergetools.rc' />
-        <ComponentRef Id='helpFolder' />
+        <ComponentGroupRef Id='helpFolder' />
         <ComponentGroupRef Id='templatesFolder' />
         <MergeRef Id='VCRuntime' />
         <MergeRef Id='VCRuntimePolicy' />
diff --git a/tests/test-install.t b/tests/test-install.t
--- a/tests/test-install.t
+++ b/tests/test-install.t
@@ -102,9 +102,6 @@ path variables are expanded (~ is the sa
     help/hg.1.txt
     help/hgignore.5.txt
     help/hgrc.5.txt
-    help/internals/bundles.txt
-    help/internals/changegroups.txt
-    help/internals/revlogs.txt
   Not tracked:
 
   $ python wixxml.py templates