diff --git a/crates/clawhdf5-format/src/dataspace.rs b/crates/clawhdf5-format/src/dataspace.rs
index 8eb37e1..eedba2f 100644
--- a/crates/clawhdf5-format/src/dataspace.rs
+++ b/crates/clawhdf5-format/src/dataspace.rs
@@ -121,9 +121,9 @@ impl Dataspace {
         // Read max dimensions if flags bit 0 is set
         let max_dimensions = if flags & 0x01 != 0 {
             let mut max_dims = Vec::with_capacity(rank as usize);
-            for i in 0..rank as usize {
+            for &dim in &dimensions {
                 let val = read_length(data, pos, length_size)?;
-                if dimensions[i] > val {
+                if dim > val {
                     return Err(FormatError::InvalidDataspace(
                         "dataspace dimension size is greater than its maximum size",
                     ));