diff --git a/pkgs/development/libraries/cpp-utilities/default.nix b/pkgs/development/libraries/cpp-utilities/default.nix
index 599fa32022e1..9a240d084f92 100644
--- a/pkgs/development/libraries/cpp-utilities/default.nix
+++ b/pkgs/development/libraries/cpp-utilities/default.nix
@@ -3,7 +3,7 @@
 , fetchFromGitHub
 , cmake
 , cppunit
-, iconv
+, libiconv
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -20,7 +20,7 @@ stdenv.mkDerivation (finalAttrs: {
   nativeBuildInputs = [ cmake ];
   nativeCheckInputs = [ cppunit ];
   buildInputs = lib.optionals stdenv.isDarwin [
-    iconv # needed on Darwin, see https://github.com/Martchus/cpp-utilities/issues/4
+    libiconv # needed on Darwin, see https://github.com/Martchus/cpp-utilities/issues/4
   ];
 
   cmakeFlags = ["-DBUILD_SHARED_LIBS=ON"];