diff --git a/hakyll.cabal b/hakyll.cabal
--- a/hakyll.cabal
+++ b/hakyll.cabal
@@ -1,5 +1,5 @@
 Name:    hakyll
-Version: 4.5.0.2
+Version: 4.5.1.0
 
 Synopsis: A static website compiler library
 Description:
diff --git a/src/Hakyll/Commands.hs b/src/Hakyll/Commands.hs
--- a/src/Hakyll/Commands.hs
+++ b/src/Hakyll/Commands.hs
@@ -102,7 +102,7 @@
     loop = threadDelay 100000 >> loop
     server' = if runServer then server conf host port else loop
 #else
-watch _ _ _ _ = watchServerDisabled
+watch _ _ _ _ _ _ = watchServerDisabled
 #endif
 
 --------------------------------------------------------------------------------
