diff --git a/Makefile b/Makefile
index 1d461ac3..2d4013c1 100644
--- a/Makefile
+++ b/Makefile
@@ -142,7 +142,7 @@ xca-$(VERSION).msi: xca-portable-$(VERSION).zip msi-installer_dir/xca.bat
 	cd xca-portable-$(VERSION) && wixl -v -o $@ $<
 
 
-msi-installer_dir: misc/xca.wxs img/bigcert.bmp img/dialog.bmp misc/copyright.rtf misc/xca.bat
+msi-installer_dir: misc/xca.wxs img/banner.bmp img/dialog.bmp misc/copyright.rtf misc/xca.bat
 	rm -f $@/* && mkdir -p $@ && cp -ra $^ $@
 
 xca-portable-$(VERSION): xca$(SUFFIX).signed do.doc do.lang do.misc
diff --git a/img/bigcert.bmp b/img/banner.bmp
similarity index 100%
rename from img/bigcert.bmp
rename to img/banner.bmp
diff --git a/img/dialog.bmp b/img/dialog.bmp
new file mode 100644
index 00000000..b4b1eb7c
Binary files /dev/null and b/img/dialog.bmp differ
diff --git a/misc/xca.wxs b/misc/xca.wxs
index eaa08092..80fd9482 100644
--- a/misc/xca.wxs
+++ b/misc/xca.wxs
@@ -22,7 +22,7 @@
         <Property Id="WIXUI_INSTALLDIR" Value="INSTALLDIR" />
 
         <WixVariable Id="WixUILicenseRtf" Value="copyright.rtf" />
-        <WixVariable Id="WixUIBannerBmp" Value="bigcert.bmp" />
+        <WixVariable Id="WixUIBannerBmp" Value="banner.bmp" />
         <WixVariable Id="WixUIDialogBmp" Value="dialog.bmp" />
 
 
diff --git a/xcf/dialog.xcf b/xcf/dialog.xcf
new file mode 100644
index 00000000..b40d99ee
Binary files /dev/null and b/xcf/dialog.xcf differ