diff --git a/pkgs/applications/version-management/git-and-tools/default.nix b/pkgs/applications/version-management/git-and-tools/default.nix
index e0aa23cb79b5..6271ab408eff 100644
--- a/pkgs/applications/version-management/git-and-tools/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/default.nix
@@ -47,7 +47,7 @@ rec {
 
   gitAnnex = lib.makeOverridable (import ./git-annex) {
     inherit stdenv fetchurl libuuid rsync findutils curl perl;
-    inherit (haskellPackages) ghc MissingH utf8String QuickCheck2 pcreLight SHA;
+    inherit (haskellPackages) ghc MissingH utf8String QuickCheck2 pcreLight SHA dataenc;
   };
 
   qgit = import ./qgit {
diff --git a/pkgs/applications/version-management/git-and-tools/git-annex/default.nix b/pkgs/applications/version-management/git-and-tools/git-annex/default.nix
index 73bd55e71cd0..8fa4cba9a240 100644
--- a/pkgs/applications/version-management/git-and-tools/git-annex/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/git-annex/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, ghc, libuuid, rsync, findutils, curl, perl, MissingH, utf8String, QuickCheck2, pcreLight, SHA }:
+{ stdenv, fetchurl, ghc, libuuid, rsync, findutils, curl, perl, MissingH, utf8String, QuickCheck2, pcreLight, SHA, dataenc }:
 
 let
   version = "0.20110427";
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
     sha256 = "1vbmkvf9hlnfcaqsyi1ay2rr835j49bxqyfdi3v3373pdfd6195z";
   };
 
-  buildInputs = [ghc libuuid rsync findutils curl perl MissingH utf8String QuickCheck2 pcreLight SHA];
+  buildInputs = [ghc libuuid rsync findutils curl perl MissingH utf8String QuickCheck2 pcreLight SHA dataenc];
 
   preConfigure = ''
     makeFlagsArray=( PREFIX=$out )