diff --git a/extra/ttf-croscore/post-install b/extra/ttf-croscore/post-install
new file mode 100755
index 00000000..bdddad57
--- /dev/null
+++ b/extra/ttf-croscore/post-install
@@ -0,0 +1,3 @@
+#!/bin/sh -e
+
+fc-cache -v