diff --git a/pkgs/data/icons/zafiro-icons/default.nix b/pkgs/data/icons/zafiro-icons/default.nix
index f6c56aa3c0fc..d7315e1005cc 100644
--- a/pkgs/data/icons/zafiro-icons/default.nix
+++ b/pkgs/data/icons/zafiro-icons/default.nix
@@ -1,18 +1,19 @@
-{ lib, stdenv, fetchFromGitHub, gtk3, breeze-icons, gnome-icon-theme, numix-icon-theme, numix-icon-theme-circle, hicolor-icon-theme }:
+{ lib, stdenvNoCC, fetchFromGitHub, gtk3, breeze-icons, gnome-icon-theme, numix-icon-theme, numix-icon-theme-circle, hicolor-icon-theme, jdupes }:
 
-stdenv.mkDerivation rec {
+stdenvNoCC.mkDerivation rec {
   pname = "zafiro-icons";
-  version = "1.1";
+  version = "1.2";
 
   src = fetchFromGitHub {
     owner = "zayronxio";
     repo = pname;
     rev = version;
-    sha256 = "05h8qm9izjbp8pnl9jpbw3y9sddhp0zmg94fm1k4d4hhdqnakqhv";
+    sha256 = "sha256-Awc5Sw4X25pXEd4Ob0u6A6Uu0e8FYfwp0fEl90vrsUE=";
   };
 
   nativeBuildInputs = [
     gtk3
+    jdupes
   ];
 
   propagatedBuildInputs = [
@@ -26,10 +27,23 @@ stdenv.mkDerivation rec {
 
   dontDropIconThemeCache = true;
 
+  dontPatchELF = true;
+  dontRewriteSymlinks = true;
+
   installPhase = ''
+    runHook preInstall
+
+    # remove copy file, as it is there clearly by mistake
+    rm "apps/scalable/android-sdk (copia 1).svg"
+
     mkdir -p $out/share/icons/Zafiro-icons
     cp -a * $out/share/icons/Zafiro-icons
-    gtk-update-icon-cache "$out"/share/icons/Zafiro-icons
+
+    gtk-update-icon-cache $out/share/icons/Zafiro-icons
+
+    jdupes --link-soft --recurse $out/share
+
+    runHook postInstall
   '';
 
   meta = with lib; {