diff --git a/passbook/outposts/tasks.py b/passbook/outposts/tasks.py
index 181f3edf9..a4b121735 100644
--- a/passbook/outposts/tasks.py
+++ b/passbook/outposts/tasks.py
@@ -4,6 +4,7 @@ from typing import Any
 from asgiref.sync import async_to_sync
 from channels.layers import get_channel_layer
 from django.db.models.base import Model
+from django.utils.text import slugify
 from structlog import get_logger
 
 from passbook.lib.tasks import MonitoredTask, TaskResult, TaskResultStatus
@@ -45,10 +46,14 @@ def outpost_controller(self: MonitoredTask, outpost_pk: str):
                 logs = ProxyDockerController(outpost).run_with_logs()
     except ControllerException as exc:
         self.set_status(
-            TaskResult(TaskResultStatus.ERROR, uid=outpost.name).with_error(exc)
+            TaskResult(TaskResultStatus.ERROR, uid=slugify(outpost.name)).with_error(
+                exc
+            )
         )
     else:
-        self.set_status(TaskResult(TaskResultStatus.SUCCESSFUL, logs, uid=outpost.name))
+        self.set_status(
+            TaskResult(TaskResultStatus.SUCCESSFUL, logs, uid=slugify(outpost.name))
+        )
 
 
 @CELERY_APP.task()
diff --git a/passbook/sources/ldap/tasks.py b/passbook/sources/ldap/tasks.py
index fda1fea9f..888247f6a 100644
--- a/passbook/sources/ldap/tasks.py
+++ b/passbook/sources/ldap/tasks.py
@@ -2,6 +2,7 @@
 from time import time
 
 from django.core.cache import cache
+from django.utils.text import slugify
 from ldap3.core.exceptions import LDAPException
 
 from passbook.lib.tasks import MonitoredTask, TaskResult, TaskResultStatus
@@ -32,10 +33,10 @@ def ldap_sync(self: MonitoredTask, source_pk: int):
             TaskResult(
                 TaskResultStatus.SUCCESSFUL,
                 [f"Synced {user_count} users", f"Synced {group_count} groups"],
-                uid=source.name,
+                uid=slugify(source.name),
             )
         )
     except LDAPException as exc:
         self.set_status(
-            TaskResult(TaskResultStatus.ERROR, uid=source.name).with_error(exc)
+            TaskResult(TaskResultStatus.ERROR, uid=slugify(source.name)).with_error(exc)
         )