1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/tools/protoc-gen-grpc-web/default.nix b/pkgs/development/tools/protoc-gen-grpc-web/default.nix
index 15d2e9ec0ca..28a83a07d81 100644
--- a/pkgs/development/tools/protoc-gen-grpc-web/default.nix
+++ b/pkgs/development/tools/protoc-gen-grpc-web/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation (finalAttrs: {
     sha256 = "sha256-OetDAZ6zC8r7e82FILpQQnM+JHG9eludwhEuPaklrnw=";
   };
 
-  sourceRoot = "source/javascript/net/grpc/web/generator";
+  sourceRoot = "${finalAttrs.src.name}/javascript/net/grpc/web/generator";
 
   enableParallelBuilding = true;
   strictDeps = true;