diff --git a/nselib/data/http-fingerprints b/nselib/data/http-fingerprints
index f756641c9..d8b0227a0 100644
--- a/nselib/data/http-fingerprints
+++ b/nselib/data/http-fingerprints
@@ -116,3 +116,6 @@
 # Robots file
 /robots.txt
 
+# Ruby on Rails
+/images/rails.png
+