diff --git a/ui/app/toolkits/gtkmm/dist/windows/setup.iss.in b/ui/app/toolkits/gtkmm/dist/windows/setup.iss.in
index ec4a24f00..4e1a42616 100644
--- a/ui/app/toolkits/gtkmm/dist/windows/setup.iss.in
+++ b/ui/app/toolkits/gtkmm/dist/windows/setup.iss.in
@@ -35,7 +35,7 @@ WizardImageFile=@INSTALL_WIN_PATH@\dist\WizModernImage.bmp
 WizardSmallImageFile=@INSTALL_WIN_PATH@\dist\WizModernSmall.bmp
 PrivilegesRequired=none
 CloseApplications=no
-ArchitecturesInstallIn64BitMode=x64
+ArchitecturesInstallIn64BitMode=x64compatible
 #ifdef SignTool
 SignTool={#SignTool}
 SignedUninstaller=yes