diff --git a/library/Scotty/ParamsParser.hs b/library/Scotty/ParamsParser.hs
--- a/library/Scotty/ParamsParser.hs
+++ b/library/Scotty/ParamsParser.hs
@@ -40,7 +40,7 @@
   Params $
   Matcher.converts $
   \hashMap ->
-    maybe (Left ("No parameter named" <> Data.Text.Lazy.toStrict name)) Right $
+    maybe (Left ("No parameter named \"" <> Data.Text.Lazy.toStrict name <> "\"")) Right $
     HashMap.lookup name hashMap
 
 -- |
diff --git a/scotty-params-parser.cabal b/scotty-params-parser.cabal
--- a/scotty-params-parser.cabal
+++ b/scotty-params-parser.cabal
@@ -1,7 +1,7 @@
 name:
   scotty-params-parser
 version:
-  0.5.1
+  0.5.1.1
 synopsis:
   HTTP-request's query parameters parser abstraction for "scotty"
 category: