diff --git a/git-annex.cabal b/git-annex.cabal
index afa8814253..de417a4a1e 100644
--- a/git-annex.cabal
+++ b/git-annex.cabal
@@ -76,7 +76,8 @@ Executable git-annex
   if flag(Webapp)
     Build-Depends: yesod, yesod-static, yesod-default, case-insensitive,
      http-types, transformers, wai, wai-logger, warp, blaze-builder,
-     blaze-html, blaze-markup, crypto-api, hamlet, clientsession
+     blaze-html, blaze-markup, crypto-api, hamlet, clientsession,
+     template-haskell
     CPP-Options: -DWITH_WEBAPP
 
   if os(darwin)