diff --git a/lib/charms/mysql/v0/backups.py b/lib/charms/mysql/v0/backups.py
index b4a458b19..5bd391aba 100644
--- a/lib/charms/mysql/v0/backups.py
+++ b/lib/charms/mysql/v0/backups.py
@@ -839,8 +839,8 @@ def update_binlogs_collector_config(self) -> bool:
             else f"{s3_parameters['bucket']}/{s3_parameters['path']}/binlogs"
         )
 
-        with io.StringIO() as string_io:
-            yaml.dump(
+
+          content = yaml.dump(
                 {
                     "endpoint": s3_parameters["endpoint"],
                     "hosts": self.charm._mysql.get_cluster_members(),
@@ -852,13 +852,12 @@ def update_binlogs_collector_config(self) -> bool:
                         "secret_access_key": s3_parameters["secret-key"],
                         "bucket_url": bucket_url,
                         "default_region": s3_parameters["region"],
-                    },
-                },
-                string_io,
-            )
-            self.charm._mysql.write_content_to_file(
+                    }
+                }
+          )
+          self.charm._mysql.write_content_to_file(
                 path=MYSQL_BINLOGS_COLLECTOR_CONFIG_FILE,
-                content=string_io.getvalue(),
-            )
+                content=content,
+          )
 
         return True