diff --git a/fasttree/lilac.yaml b/fasttree/lilac.yaml
index c71bc198c5..f2c5ae371e 100755
--- a/fasttree/lilac.yaml
+++ b/fasttree/lilac.yaml
@@ -5,4 +5,4 @@ build_prefix: extra-x86_64
 update_on:
   - source: regex
     url: "http://www.microbesonline.org/fasttree/"
-    regex: "FastTree-(\d+.\d+.\d).c"
+    regex: FastTree-(\d+.\d+.\d).c