diff --git a/pkgs/tools/misc/aescrypt/default.nix b/pkgs/tools/misc/aescrypt/default.nix
index d1125d572ee..fea924d0fb0 100644
--- a/pkgs/tools/misc/aescrypt/default.nix
+++ b/pkgs/tools/misc/aescrypt/default.nix
@@ -9,7 +9,10 @@ stdenv.mkDerivation rec {
     sha256 = "1a1rs7xmbxh355qg3v02rln3gshvy3j6wkx4g9ir72l22mp6zkc7";
   };
 
+  NIX_LDFLAGS = stdenv.lib.optionalString stdenv.isDarwin "-liconv";
+
   preBuild = ''
+    substituteInPlace src/Makefile --replace "CC=gcc" "CC?=gcc"
     cd src
   '';
 
@@ -27,6 +30,6 @@ stdenv.mkDerivation rec {
     license     = licenses.gpl2;
     maintainers = with maintainers; [ lovek323 qknight ];
     platforms   = stdenv.lib.platforms.all;
-    hydraPlatforms = stdenv.lib.platforms.linux;
+    hydraPlatforms = with platforms; unix;
   };
 }