diff --git a/formats/philips/index.md b/formats/philips/index.md
index 549a9f9..e5e58e0 100644
--- a/formats/philips/index.md
+++ b/formats/philips/index.md
@@ -93,5 +93,4 @@ prefixed with "`philips.`".
 
 ## Test Data
 
-No public data available.  Contact the [mailing list][users-subscribe] if
-you have some.
+<https://openslide.cs.cmu.edu/download/openslide-testdata/Philips-TIFF/>