diff --git a/win_installer/config.wxi b/win_installer/config.wxi
index dc588fccf..32303086a 100644
--- a/win_installer/config.wxi
+++ b/win_installer/config.wxi
@@ -5,7 +5,7 @@
   <?endif ?>
 
   <?define CliBuildDir = "..\Build\release" ?>
-  <?define GuiBuildDir = "..\gui\release" ?>
+  <?define GuiBuildDir = "..\Build\gui" ?>
   <?define ManualDir = "..\man" ?>
   <?define QtDllDir = "..\..\runtimes" ?>
   <?define CrtMergeModule = "$(env.CommonProgramFiles)\Merge Modules\Microsoft_VC90_CRT_x86.msm" ?>