diff --git a/pkgs/development/python-modules/tiledb/default.nix b/pkgs/development/python-modules/tiledb/default.nix
index 1ea6bd3d78ec..1b870af5d2c0 100644
--- a/pkgs/development/python-modules/tiledb/default.nix
+++ b/pkgs/development/python-modules/tiledb/default.nix
@@ -59,7 +59,7 @@ buildPythonPackage rec {
     pyarrow
   ];
 
-  TILEDB_PATH = tiledb;
+  env.TILEDB_PATH = tiledb;
 
   disabled = !isPy3k; # Not bothering with python2 anymore