diff --git a/src/notehub/storage.clj b/src/notehub/storage.clj
index c6a6481..5ac4f0b 100644
--- a/src/notehub/storage.clj
+++ b/src/notehub/storage.clj
@@ -9,7 +9,7 @@
   (defn sign
     "Returns the MD5 hash for the concatenation of all passed parameters"
     [& args]
-    (let [input (sreplace (apply str args) #"\r*" "")]
+    (let [input (sreplace (apply str args) #"\r+" "")]
       (do (.reset md5Instance)
           (.update md5Instance (.getBytes input))
           (apply str