diff --git a/installer/wix/gps.wxs b/installer/wix/gps.wxs
index 61e2b85..5ddbac4 100644
--- a/installer/wix/gps.wxs
+++ b/installer/wix/gps.wxs
@@ -10,6 +10,8 @@
     <Package InstallScope="perMachine" Compressed="yes" />
 
     <MajorUpgrade DowngradeErrorMessage="A later version of [ProductName] is already installed. Setup will now exit." />
+    <WixVariable Id="WixUIBannerBmp" Value="wixbanner.bmp" />
+    <WixVariable Id="WixUIDialogBmp" Value="wixdialog.bmp" />
 
     <MediaTemplate EmbedCab="yes" />
 
diff --git a/installer/wix/wixbanner.bmp b/installer/wix/wixbanner.bmp
new file mode 100644
index 0000000..cc44c77
Binary files /dev/null and b/installer/wix/wixbanner.bmp differ
diff --git a/installer/wix/wixdialog.bmp b/installer/wix/wixdialog.bmp
new file mode 100644
index 0000000..1f354fe
Binary files /dev/null and b/installer/wix/wixdialog.bmp differ