diff --git a/pkgs/applications/version-management/git-and-tools/tig/default.nix b/pkgs/applications/version-management/git-and-tools/tig/default.nix
index 4c8430ed5c5f..362897d0e720 100644
--- a/pkgs/applications/version-management/git-and-tools/tig/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/tig/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, ncurses, asciidoc, xmlto, docbook_xsl, docbook_xml_dtd_45
-, readline, makeWrapper, git
+, readline, makeWrapper, git, libiconv
 }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,8 @@ stdenv.mkDerivation rec {
     sha256 = "0bw5wivswwh7vx897q8xc2cqgkqhdzk8gh6fnav2kf34sngigiah";
   };
 
-  buildInputs = [ ncurses asciidoc xmlto docbook_xsl readline git makeWrapper ];
+  buildInputs = [ ncurses asciidoc xmlto docbook_xsl readline git makeWrapper ]
+    ++ stdenv.lib.optionals stdenv.isDarwin [ libiconv ];
 
   preConfigure = ''
     export XML_CATALOG_FILES='${docbook_xsl}/xml/xsl/docbook/catalog.xml ${docbook_xml_dtd_45}/xml/dtd/docbook/catalog.xml'