1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/python-modules/sentencepiece/default.nix b/pkgs/development/python-modules/sentencepiece/default.nix
index c1ad64b3f5e4f..dc7335b351f87 100644
--- a/pkgs/development/python-modules/sentencepiece/default.nix
+++ b/pkgs/development/python-modules/sentencepiece/default.nix
@@ -11,7 +11,7 @@ buildPythonPackage rec {
   nativeBuildInputs = [ pkg-config ];
   buildInputs = [ sentencepiece.dev ];
 
-  sourceRoot = "source/python";
+  sourceRoot = "${src.name}/python";
 
   # sentencepiece installs 'bin' output.
   meta = builtins.removeAttrs sentencepiece.meta [ "outputsToInstall" ];