diff --git a/scotty-fay.cabal b/scotty-fay.cabal
--- a/scotty-fay.cabal
+++ b/scotty-fay.cabal
@@ -1,5 +1,5 @@
 name:           scotty-fay
-version:        0.1.0
+version:        0.1.1
 build-type:     Simple
 cabal-version:  >= 1.10
 
diff --git a/src/Web/Scotty/Fay/Internal.hs b/src/Web/Scotty/Fay/Internal.hs
--- a/src/Web/Scotty/Fay/Internal.hs
+++ b/src/Web/Scotty/Fay/Internal.hs
@@ -26,7 +26,8 @@
 initialize conf = do
     let includeDirs = configIncludeDirs conf
     results <- getNonExistent includeDirs
-    warn $ nonExistentWarning results
+    when (not . null $ results) $
+        warn (nonExistentWarning results)
 
 getNonExistent :: [FilePath] -> IO [FilePath]
 getNonExistent = foldl f (return [])