1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/libraries/orocos-kdl/default.nix b/pkgs/development/libraries/orocos-kdl/default.nix
index c60d79fd492..05a3cefaece 100644
--- a/pkgs/development/libraries/orocos-kdl/default.nix
+++ b/pkgs/development/libraries/orocos-kdl/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
-  sourceRoot = "source/orocos_kdl";
+  sourceRoot = "${src.name}/orocos_kdl";
 
   nativeBuildInputs = [ cmake ];
   propagatedBuildInputs = [ eigen ];