diff --git a/pkgs/by-name/or/orthanc-plugin-dicomweb/package.nix b/pkgs/by-name/or/orthanc-plugin-dicomweb/package.nix
index c34a5d44141f..65c09c277967 100644
--- a/pkgs/by-name/or/orthanc-plugin-dicomweb/package.nix
+++ b/pkgs/by-name/or/orthanc-plugin-dicomweb/package.nix
@@ -59,8 +59,6 @@ stdenv.mkDerivation (finalAttrs: {
       --replace-fail "cmake_minimum_required(VERSION 2.8)" "cmake_minimum_required(VERSION 3.10)"
   '';
 
-  SourceRoot = "${finalAttrs.src.name}/Build";
-
   nativeBuildInputs = [
     cmake
     python3