diff --git a/openedx/core/djangoapps/user_api/accounts/views.py b/openedx/core/djangoapps/user_api/accounts/views.py
index 9c84eea431..a24fa22c9a 100644
--- a/openedx/core/djangoapps/user_api/accounts/views.py
+++ b/openedx/core/djangoapps/user_api/accounts/views.py
@@ -1144,9 +1144,9 @@ class UsernameReplacementView(APIView):
                     ).update(
                         **{column: new_username}
                     )
-        except Exception as exc:  # pylint: disable-broad-except
+        except Exception as exc:  # pylint: disable=broad-except
             log.exception(
-                "Unable to change username from %s to %s. Reason: %s",
+                u"Unable to change username from %s to %s. Reason: %s",
                 current_username,
                 new_username,
                 exc
@@ -1154,7 +1154,7 @@ class UsernameReplacementView(APIView):
             return False
         if num_rows_changed == 0:
             log.warning(
-                "Unable to change username from %s to %s because %s doesn't exist.",
+                u"Unable to change username from %s to %s because %s doesn't exist.",
                 current_username,
                 new_username,
                 current_username,
@@ -1162,7 +1162,7 @@ class UsernameReplacementView(APIView):
             return False
 
         log.info(
-            "Successfully changed username from %s to %s.",
+            u"Successfully changed username from %s to %s.",
             current_username,
             new_username,
         )