1 files changed, 8 insertions, 2 deletions
diff --git a/pkgs/development/libraries/nanopb/test-message-with-options/default.nix b/pkgs/development/libraries/nanopb/test-message-with-options/default.nix
index 0030158df91b3..f6bf28f3b6457 100644
--- a/pkgs/development/libraries/nanopb/test-message-with-options/default.nix
+++ b/pkgs/development/libraries/nanopb/test-message-with-options/default.nix
@@ -1,9 +1,15 @@
-{ stdenv, protobuf, nanopb }:
+{ lib, stdenv, protobuf, nanopb }:
 
 stdenv.mkDerivation {
   name = "nanopb-test-message-with-options";
   meta.timeout = 60;
-  src = ./.;
+  src = lib.fileset.toSource {
+    root = ./.;
+    fileset = lib.fileset.unions [
+      ./withoptions.proto
+      ./withoptions.options
+    ];
+  };
 
   # protoc requires any .proto file to be compiled to reside within it's
   # proto_path. By default the current directory is automatically added to the