diff --git a/nix/plantuml-wrapper/default.nix b/nix/plantuml-wrapper/default.nix
index e69de29..5fb0e73 100644
--- a/nix/plantuml-wrapper/default.nix
+++ b/nix/plantuml-wrapper/default.nix
@@ -0,0 +1,11 @@
+{
+  stdenv,
+}: stdenv.mkDerivation {
+  pname = "dataplane-plantuml-wrapper";
+  version = "0.0.1";
+  src = ./src;
+  installPhase = ''
+    cp -a $src $out
+  '';
+
+}
diff --git a/nix/plantuml-wrapper/src/bin/plantuml b/nix/plantuml-wrapper/src/bin/plantuml
old mode 100644
new mode 100755
index e69de29..3f8cc1e
--- a/nix/plantuml-wrapper/src/bin/plantuml
+++ b/nix/plantuml-wrapper/src/bin/plantuml
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+exec /lib/openjdk/bin/java -jar /lib/plantuml.jar "$@"
diff --git a/nix/shell-fixup/default.nix b/nix/shell-fixup/default.nix
index 898af1f..bde82ad 100644
--- a/nix/shell-fixup/default.nix
+++ b/nix/shell-fixup/default.nix
@@ -5,7 +5,6 @@
   version = "0.0.1";
   src = ./src;
   installPhase = ''
-    chmod +x $src/bin/plantuml
     cp -a $src $out
   '';