diff --git a/src/exd.rs b/src/exd.rs
index 8f90a6d..6ce3fe2 100644
--- a/src/exd.rs
+++ b/src/exd.rs
@@ -308,7 +308,7 @@ mod tests {
         let exh = EXH {
             header: EXHHeader {
                 version: 0,
-                data_offset: 0,
+                row_size: 0,
                 column_count: 0,
                 page_count: 0,
                 language_count: 0,
diff --git a/src/exh.rs b/src/exh.rs
index 1dd34a6..ef564e2 100644
--- a/src/exh.rs
+++ b/src/exh.rs
@@ -147,7 +147,7 @@ mod tests {
 
         // header
         assert_eq!(exh.header.version, 3);
-        assert_eq!(exh.header.data_offset, 4);
+        assert_eq!(exh.header.row_size, 4);
         assert_eq!(exh.header.column_count, 1);
         assert_eq!(exh.header.page_count, 1);
         assert_eq!(exh.header.language_count, 1);