diff --git examples/gtk3-demo.bundle examples/gtk3-demo.bundle
index ec0eb4c..87cbc18 100644
--- examples/gtk3-demo.bundle
+++ examples/gtk3-demo.bundle
@@ -104,6 +104,10 @@
     ${prefix}/share/icons
   </data>
 
+  <data>
+    ${prefix}/share/mime
+  </data>
+
   <!-- Copy icons. Note that the .icns file is an Apple format which
        contains up to 4 sizes of icon. You can use
        /Developer/Applications/Utilities/Icon Composer.app to import
