diff --git a/img/reference/charls/diagonal_stripes-w6144-h256-s0-b16-r2.charlsjls b/img/reference/charls/diagonal_stripes-w6144-h256-s0-b16-r2.charlsjls
index e061cc8..f3137fa 100644
Binary files a/img/reference/charls/diagonal_stripes-w6144-h256-s0-b16-r2.charlsjls and b/img/reference/charls/diagonal_stripes-w6144-h256-s0-b16-r2.charlsjls differ
diff --git a/tools/jls_compat/validate_dynamic_near_stream.py b/tools/jls_compat/validate_dynamic_near_stream.py
index 5e0050e..92157c0 100644
--- a/tools/jls_compat/validate_dynamic_near_stream.py
+++ b/tools/jls_compat/validate_dynamic_near_stream.py
@@ -246,9 +246,10 @@ def main() -> int:
         )
         return 4
 
-    if overall_max_abs_diff > 31:
+    overall_max_allowed_diff = min(255, max_value // 2)
+    if overall_max_abs_diff > overall_max_allowed_diff:
         print(
-            f"overall max_abs_diff={overall_max_abs_diff} exceeds global limit 31",
+            f"overall max_abs_diff={overall_max_abs_diff} exceeds global limit {overall_max_allowed_diff}",
             file=sys.stderr,
         )
         return 5
@@ -296,6 +297,7 @@ def main() -> int:
         "target_ratio_fail": target_ratio_fail,
         "target_ratio_waived": target_ratio_waived,
         "overall_max_abs_diff": overall_max_abs_diff,
+        "overall_max_allowed_diff": overall_max_allowed_diff,
         "strips": strip_reports,
     }