diff --git a/pkgs/tools/archivers/arj/default.nix b/pkgs/tools/archivers/arj/default.nix
index e09e390fa473..6f365e226e20 100644
--- a/pkgs/tools/archivers/arj/default.nix
+++ b/pkgs/tools/archivers/arj/default.nix
@@ -128,6 +128,11 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ autoreconfHook ];
 
+  postPatch = lib.optionalString stdenv.isDarwin ''
+    substituteInPlace environ.c \
+        --replace "  #include <sys/statfs.h>" "  #include <sys/mount.h>"
+  '';
+
   preAutoreconf = ''
     cd gnu
   '';
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index cd03a1c72068..e459bd49f3fa 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1281,7 +1281,9 @@ with pkgs;
 
   argyllcms = callPackage ../tools/graphics/argyllcms {};
 
-  arj = callPackage ../tools/archivers/arj { };
+  arj = callPackage ../tools/archivers/arj {
+    stdenv = gccStdenv;
+  };
 
   arp-scan = callPackage ../tools/misc/arp-scan { };