--- a/browser/installer/windows/nsis/stub.nsi
+++ b/browser/installer/windows/nsis/stub.nsi
@@ -1883,21 +1883,21 @@ Function ShouldInstall64Bit
   System::Call "*$1(i, i, l.r2, l, l, l, l, l, l)"
   System::Free $1
   ${If} $2 L<= ${RAM_NEEDED_FOR_64BIT}
     Return
   ${EndIf}
 
   ; Lenovo OneKey Theater can theoretically be in a directory other than this
   ; one, because some installer versions let you change it, but it's unlikely.
-  ${If} ${FileExists} "C:\Program Files (x86)\Lenovo\Onekey Theater\windowsapihookdll64.dll"
+  ${If} ${FileExists} "$PROGRAMFILES32\Lenovo\Onekey Theater\windowsapihookdll64.dll"
     Return
   ${EndIf}
 
-  ${If} ${FileExists} "C:\Program Files (x86)\Lenovo\Energy Management\Energy Management.exe"
+  ${If} ${FileExists} "$PROGRAMFILES32\Lenovo\Energy Management\Energy Management.exe"
     Return
   ${EndIf}
 
   StrCpy $0 1
 FunctionEnd
 
 Section
 SectionEnd