diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 65dd415364..283f57436e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -130,4 +130,4 @@ jobs:
         uses: actions-rs/cargo@4ff6ec2846f6e7217c1a9b0b503506665f134c4b
         with:
           command: run
-          args: --package export-validator
+          args: --package export-validator -vv
diff --git a/tools/export-validator/build.rs b/tools/export-validator/build.rs
index abb7b510d7..5dbb18bc97 100644
--- a/tools/export-validator/build.rs
+++ b/tools/export-validator/build.rs
@@ -24,6 +24,11 @@ fn main() -> anyhow::Result<()> {
     if cfg!(target_family = "windows") {
         fs::copy(libs_dir.join("3mf.dll"), out_dir.join("3mf.dll"))?;
         println!("cargo:rustc-link-search={}", out_dir.display());
+
+        for entry in fs::read_dir(out_dir)? {
+            println!("{}", entry?.path().display());
+        }
+        // panic!();
     }
 
     Ok(())