diff --git a/dinghy-lib/src/compiler.rs b/dinghy-lib/src/compiler.rs
index c5e372bc..e8953094 100644
--- a/dinghy-lib/src/compiler.rs
+++ b/dinghy-lib/src/compiler.rs
@@ -445,13 +445,14 @@ fn find_all_linked_library_names(compilation: &Compilation, build_args: &BuildAr
         lib_name.split("=").last().map(|it| it.to_string()).unwrap_or(lib_name)
     }
 
-    let linked_library_names = WalkDir::new(&compilation.root_output)
-        .into_iter()
-        .filter_map(|walk_entry| walk_entry.map(|it| it.path().to_path_buf()).ok())
-        .filter(is_output_file)
-        .map(|output_file| CargoOps::BuildOutput::parse_file(&output_file, "idontcare"))
-        .flat_map(|build_output| build_output.map(|it| it.library_links))
-        .flatten()
+    let linked_library_names =
+        Itertools::flatten(
+            WalkDir::new(&compilation.root_output)
+            .into_iter()
+            .filter_map(|walk_entry| walk_entry.map(|it| it.path().to_path_buf()).ok())
+            .filter(is_output_file)
+            .map(|output_file| CargoOps::BuildOutput::parse_file(&output_file, "idontcare"))
+            .flat_map(|build_output| build_output.map(|it| it.library_links)))
         .map(|lib_name| lib_name.clone())
         .map(parse_lib_name)
         .chain(build_args.forced_overlays.clone())