diff --git a/win_installer/Bitmaps/banner.bmp b/win_installer/Bitmaps/banner.bmp
deleted file mode 100644
index a0d369b16..000000000
Binary files a/win_installer/Bitmaps/banner.bmp and /dev/null differ
diff --git a/win_installer/Bitmaps/dialog.bmp b/win_installer/Bitmaps/dialog.bmp
deleted file mode 100644
index 0e5bcb361..000000000
Binary files a/win_installer/Bitmaps/dialog.bmp and /dev/null differ
diff --git a/win_installer/cppcheck.wxs b/win_installer/cppcheck.wxs
index c0308c71c..d5b5de2d8 100644
--- a/win_installer/cppcheck.wxs
+++ b/win_installer/cppcheck.wxs
@@ -155,7 +155,7 @@
     <Icon Id='cppcheckgui.exe' SourceFile='$(var.GuiBuildDir)\cppcheck-gui.exe' />
 
     <WixVariable Id="WixUILicenseRtf" Value="GPLv3.rtf" />
-    <WixVariable Id="WixUIBannerBmp" Value="Bitmaps\banner.bmp" />
-    <WixVariable Id="WixUIDialogBmp" Value="Bitmaps\dialog.bmp" />
+    <WixVariable Id="WixUIBannerBmp" Value="images\banner.jpg" />
+    <WixVariable Id="WixUIDialogBmp" Value="images\dialog.jpg" />
   </Product>
 </Wix>
diff --git a/win_installer/images/banner.jpg b/win_installer/images/banner.jpg
new file mode 100644
index 000000000..0e642a97f
Binary files /dev/null and b/win_installer/images/banner.jpg differ
diff --git a/win_installer/images/dialog.jpg b/win_installer/images/dialog.jpg
new file mode 100644
index 000000000..ad5431701
Binary files /dev/null and b/win_installer/images/dialog.jpg differ