diff --git a/pypdf/annotations/_markup_annotations.py b/pypdf/annotations/_markup_annotations.py
index c5e0a2fed..4022fba2a 100644
--- a/pypdf/annotations/_markup_annotations.py
+++ b/pypdf/annotations/_markup_annotations.py
@@ -325,9 +325,9 @@ def __init__(
 
         border_arr: BorderArrayType
         if border is not None:
-            border_arr = [NameObject(n) for n in border[:3]]
+            border_arr = [NumberObject(n) for n in border[:3]]
             if len(border) == 4:
-                dash_pattern = ArrayObject([NameObject(n) for n in border[3]])
+                dash_pattern = ArrayObject([NumberObject(n) for n in border[3]])
                 border_arr.append(dash_pattern)
         else:
             border_arr = [NumberObject(0)] * 3