diff --git a/git-annex.cabal b/git-annex.cabal
index aa86b44416..7d69b9a919 100644
--- a/git-annex.cabal
+++ b/git-annex.cabal
@@ -30,7 +30,7 @@ Executable git-annex
   Main-Is: git-annex.hs
   Build-Depends: MissingH, hslogger, directory, filepath,
    unix, containers, utf8-string, network, mtl, bytestring, old-locale, time,
-   pcre-light, extensible-exceptions, dataenc, SHA, process, hs3, json, HTTP,
+   pcre-light, extensible-exceptions, dataenc, SHA, process, hS3, json, HTTP,
    base >= 4.5, base < 5, monad-control, transformers-base, lifted-base,
    IfElse, text, QuickCheck >= 2.1, bloomfilter
   Other-Modules: Utility.StatFS, Utility.Touch