diff --git a/netbox/utilities/forms/utils.py b/netbox/utilities/forms/utils.py
index 005b8be85..1bd967b06 100644
--- a/netbox/utilities/forms/utils.py
+++ b/netbox/utilities/forms/utils.py
@@ -60,7 +60,9 @@ def parse_alphanumeric_range(string):
                 return []
         except ValueError:
             begin, end = dash_range, dash_range
-        if begin.isdigit() and end.isdigit() and not begin == end:
+        if begin == end:
+            values.append(begin)
+        elif begin.isdigit() and end.isdigit():
             if int(begin) >= int(end):
                 raise forms.ValidationError(_('Range "{value}" is invalid.').format(value=dash_range))