diff --git a/docs/release-notes/version-3.3.md b/docs/release-notes/version-3.3.md
index 4dd717f9b..0572b7454 100644
--- a/docs/release-notes/version-3.3.md
+++ b/docs/release-notes/version-3.3.md
@@ -5,6 +5,7 @@
 ### Enhancements
 
 * [#10748](https://github.com/netbox-community/netbox/issues/10748) - Add provider selection field for provider networks to circuit termination edit view
+* [#11089](https://github.com/netbox-community/netbox/issues/11089) - Permit whitespace in MAC addresses
 * [#11119](https://github.com/netbox-community/netbox/issues/11119) - Enable filtering L2VPNs by slug
 
 ### Bug Fixes
diff --git a/netbox/dcim/fields.py b/netbox/dcim/fields.py
index d3afe5c08..4a2755be9 100644
--- a/netbox/dcim/fields.py
+++ b/netbox/dcim/fields.py
@@ -55,6 +55,8 @@ class MACAddressField(models.Field):
     def to_python(self, value):
         if value is None:
             return value
+        if type(value) is str:
+            value = value.replace(' ', '')
         try:
             return EUI(value, version=48, dialect=mac_unix_expanded_uppercase)
         except AddrFormatError: