diff --git a/pkgs/tools/security/open-ecard/default.nix b/pkgs/tools/security/open-ecard/default.nix
index 5c07add90563..00ff112ba844 100644
--- a/pkgs/tools/security/open-ecard/default.nix
+++ b/pkgs/tools/security/open-ecard/default.nix
@@ -23,7 +23,7 @@ in stdenv.mkDerivation rec {
 
   src = srcs.richclient;
 
-  phases = "installPhase";
+  dontUnpack = true;
 
   nativeBuildInputs = [ makeWrapper ];