diff --git a/rust/lance-encoding/src/encodings/logical/primitive.rs b/rust/lance-encoding/src/encodings/logical/primitive.rs
index 3ec5ff2cf42..0485fa5d897 100644
--- a/rust/lance-encoding/src/encodings/logical/primitive.rs
+++ b/rust/lance-encoding/src/encodings/logical/primitive.rs
@@ -3404,6 +3404,9 @@ impl PrimitiveFieldEncoder {
                 let part_size = bit_util::ceil(array.len(), num_parts);
                 for _ in 0..num_parts {
                     let avail = array.len() - offset;
+                    if avail == 0 {
+                        break;
+                    }
                     let chunk_size = avail.min(part_size);
                     let part = array.slice(offset, chunk_size);
                     let task = self.create_encode_task(vec![part])?;