diff --git a/windows/config-appveyor.ini b/windows/config-appveyor.ini
index 134f83a..6bd4aa5 100644
--- a/windows/config-appveyor.ini
+++ b/windows/config-appveyor.ini
@@ -1,7 +1,7 @@
 [executables]
 sphinx = %(pyroot)s\Scripts\sphinx-build.exe
 pyinstaller = %(pyroot)s\Scripts\pyinstaller.exe
-htmlhelp = %(progfiles)s\HTML Help Workshop\hhc.exe
+htmlhelp = %(progfilesx86)s\HTML Help Workshop\hhc.exe
 lrelease = C:\Qt\5.12\msvc2017\bin\lrelease.exe
 portablelauncher = %(here)s\..\..\PortableApps.comLauncher\PortableApps.comLauncherGenerator.exe
 portableinstaller = %(here)s\..\..\PortableApps.comInstaller\PortableApps.comInstaller.exe