diff --git a/crates/catalog/src/lock.rs b/crates/catalog/src/lock.rs
index 8a2b496d6..c53e8178b 100644
--- a/crates/catalog/src/lock.rs
+++ b/crates/catalog/src/lock.rs
@@ -135,8 +135,8 @@ impl LibraryLock {
     }
 
     /// Another descriptor on the locked file: what a process spawned by another thread holds
-    /// between fork and exec (a `dup` refers to the same open file description). Tests only.
-    #[cfg(test)]
+    /// between fork and exec (a `dup` refers to the same open file description). Unix tests only.
+    #[cfg(all(test, unix))]
     pub(crate) fn descriptor_copy(&self) -> Option<File> {
         self.file.as_ref().and_then(|f| f.try_clone().ok())
     }
diff --git a/crates/pipeline/src/spots.rs b/crates/pipeline/src/spots.rs
index 483f83f3c..f8b3fbbdf 100644
--- a/crates/pipeline/src/spots.rs
+++ b/crates/pipeline/src/spots.rs
@@ -247,8 +247,8 @@ fn fill_box(src: &mut [[f32; 3]], tgt: &[[f32; 3]], alpha: &[f32], bw: usize, bh
     let flat: Vec<f32> = tgt.iter().flatten().copied().collect();
     let out = lightcraft_inpaint::complete(bw, bh, 3, &flat, &hole, &lightcraft_inpaint::CompleteParams::default())
         .unwrap_or_else(|| lightcraft_inpaint::membrane_fill(bw, bh, 3, &flat, &hole));
-    for (d, v) in src.iter_mut().zip(out.chunks_exact(3)) {
-        *d = [v[0], v[1], v[2]];
+    for (d, v) in src.iter_mut().zip(out.as_chunks::<3>().0) {
+        *d = *v;
     }
 }