diff --git a/netbox/utilities/forms.py b/netbox/utilities/forms.py
index 16c40a727a8..dff06d3933e 100644
--- a/netbox/utilities/forms.py
+++ b/netbox/utilities/forms.py
@@ -249,7 +249,7 @@ def to_python(self, value):
         reader = csv.reader(value.splitlines())
 
         # Consume and valdiate the first line of CSV data as column headers
-        headers = reader.next()
+        headers = next(reader)
         for f in self.required_fields:
             if f not in headers:
                 raise forms.ValidationError('Required column header "{}" not found.'.format(f))