diff --git a/tools/test/h5repack/testfiles/deflate_limit.h5repack_layout.h5.ddl b/tools/test/h5repack/testfiles/deflate_limit.h5repack_layout.h5.ddl
index 1dcc742302..75f54faa7a 100644
--- a/tools/test/h5repack/testfiles/deflate_limit.h5repack_layout.h5.ddl
+++ b/tools/test/h5repack/testfiles/deflate_limit.h5repack_layout.h5.ddl
@@ -76,8 +76,8 @@ GROUP "/" {
       DATATYPE  H5T_STD_I32LE
       DATASPACE  SIMPLE { ( 40, 20 ) / ( 40, 20 ) }
       STORAGE_LAYOUT {
-         CHUNKED ( 40, 20 )
-         SIZE 1150 (2.783:1 COMPRESSION)
+         CHUNKED ( 20, 10 )
+         SIZE 1283 (2.494:1 COMPRESSION)
       }
       FILTERS {
          COMPRESSION DEFLATE { LEVEL 1 }
diff --git a/tools/test/h5repack/testfiles/h5repack_layout.h5-plugin_test.ddl b/tools/test/h5repack/testfiles/h5repack_layout.h5-plugin_test.ddl
index 4856f84857..a8b4562638 100644
--- a/tools/test/h5repack/testfiles/h5repack_layout.h5-plugin_test.ddl
+++ b/tools/test/h5repack/testfiles/h5repack_layout.h5-plugin_test.ddl
@@ -92,7 +92,7 @@ GROUP "/" {
       DATATYPE  H5T_STD_I32LE
       DATASPACE  SIMPLE { ( 40, 20 ) / ( 40, 20 ) }
       STORAGE_LAYOUT {
-         CHUNKED ( 40, 20 )
+         CHUNKED ( 20, 10 )
          SIZE 3200 (1.000:1 COMPRESSION)
       }
       FILTERS {
diff --git a/tools/test/h5repack/testfiles/h5repack_layout.h5-plugin_version_test.ddl b/tools/test/h5repack/testfiles/h5repack_layout.h5-plugin_version_test.ddl
index 5a1ebe73dc..a1fc0cbe23 100644
--- a/tools/test/h5repack/testfiles/h5repack_layout.h5-plugin_version_test.ddl
+++ b/tools/test/h5repack/testfiles/h5repack_layout.h5-plugin_version_test.ddl
@@ -92,7 +92,7 @@ GROUP "/" {
       DATATYPE  H5T_STD_I32LE
       DATASPACE  SIMPLE { ( 40, 20 ) / ( 40, 20 ) }
       STORAGE_LAYOUT {
-         CHUNKED ( 40, 20 )
+         CHUNKED ( 20, 10 )
          SIZE 3200 (1.000:1 COMPRESSION)
       }
       FILTERS {