diff --git a/netbox/netbox/api/authentication.py b/netbox/netbox/api/authentication.py
index 3f223cf98..fce9036aa 100644
--- a/netbox/netbox/api/authentication.py
+++ b/netbox/netbox/api/authentication.py
@@ -20,8 +20,8 @@ class TokenAuthentication(authentication.TokenAuthentication):
             raise exceptions.AuthenticationFailed("Invalid token")
 
         # Update last used, but only once a minute. This reduces the write load on the db
-        timediff = timezone.now() - token.last_used
-        if timediff.total_seconds() > 60:
+        last_used_diff = timezone.now() - token.last_used
+        if last_used_diff.total_seconds() > 60:
             token.last_used = timezone.now()
             token.save()