1 files changed, 9 insertions, 0 deletions
diff --git a/pkgs/development/python-modules/objgraph/default.nix b/pkgs/development/python-modules/objgraph/default.nix
index 16dc60fc28a3..0eb1deee0d39 100644
--- a/pkgs/development/python-modules/objgraph/default.nix
+++ b/pkgs/development/python-modules/objgraph/default.nix
@@ -2,6 +2,8 @@
 , buildPythonPackage
 , fetchPypi
 , isPyPy
+, substituteAll
+, graphvizPkg
 , graphviz
 , mock
 }:
@@ -18,6 +20,13 @@ buildPythonPackage rec {
   # Tests fail with PyPy.
   disabled = isPyPy;
 
+  patches = [
+    (substituteAll {
+      src = ./hardcode-graphviz-path.patch;
+      graphviz = graphvizPkg;
+    })
+  ];
+
   propagatedBuildInputs = [ graphviz ];
 
   checkInputs = [ mock ];