diff --git a/CHANGELOG.unreleased.md b/CHANGELOG.unreleased.md
index 049bd6986f2..c49bc0afed5 100644
--- a/CHANGELOG.unreleased.md
+++ b/CHANGELOG.unreleased.md
@@ -49,6 +49,7 @@ For upgrade instructions, please check the [migration guide](MIGRATIONS.released
 - Fixed small styling error with NML drag and drop uploading. [#7641](https://github.com/scalableminds/webknossos/pull/7641)
 - Fixed a bug where the annotation list would show teams the annotation is shared with multiple times. [#7659](https://github.com/scalableminds/webknossos/pull/7659)
 - Fixed incorrect menu position that could occur sometimes when clicking the ... button next to a segment. [#7680](https://github.com/scalableminds/webknossos/pull/7680)
+- Fixed an error in the Loki integration to support Loki 2.9+. [#7684](https://github.com/scalableminds/webknossos/pull/7684)
 
 ### Removed
 
diff --git a/app/models/voxelytics/LokiClient.scala b/app/models/voxelytics/LokiClient.scala
index 1ea3a7f3d9c..2d5ff691057 100644
--- a/app/models/voxelytics/LokiClient.scala
+++ b/app/models/voxelytics/LokiClient.scala
@@ -1,7 +1,5 @@
 package models.voxelytics
 
-import org.apache.pekko.actor.ActorSystem
-import org.apache.pekko.pattern.after
 import com.scalableminds.util.mvc.MimeTypes
 import com.scalableminds.util.time.Instant
 import com.scalableminds.util.tools.Fox
@@ -11,6 +9,8 @@ import com.typesafe.scalalogging.LazyLogging
 import models.voxelytics.VoxelyticsLogLevel.VoxelyticsLogLevel
 import net.liftweb.common.Box.tryo
 import net.liftweb.common.Full
+import org.apache.pekko.actor.ActorSystem
+import org.apache.pekko.pattern.after
 import play.api.http.{HeaderNames, Status}
 import play.api.libs.json.{JsArray, JsObject, JsValue, Json}
 import utils.{ObjectId, WkConf}
@@ -195,7 +195,7 @@ class LokiClient @Inject()(wkConf: WkConf, rpc: RPC, val system: ActorSystem)(im
               entry =>
                 ((entry \ "vx" \ "workflow_hash").as[String],
                  (entry \ "vx" \ "run_name").as[String],
-                 (entry \ "pid").as[Long])
+                 (entry \ "pid").as[Long].toString)
             )
             .toList).toFox
         streams <- Fox.serialCombined(logEntryGroups)(
@@ -212,7 +212,7 @@ class LokiClient @Inject()(wkConf: WkConf, rpc: RPC, val system: ActorSystem)(im
                     Json.stringify(
                       Json.obj(
                         "level" -> (entry \ "level").as[String],
-                        "pid" -> (entry \ "pid").as[Long],
+                        "pid" -> (entry \ "pid").as[Long].toString,
                         "logger_name" -> (entry \ "vx" \ "logger_name").as[String],
                         "vx_workflow_hash" -> (entry \ "vx" \ "workflow_hash").as[String],
                         "vx_run_name" -> (entry \ "vx" \ "run_name").as[String],
@@ -221,13 +221,13 @@ class LokiClient @Inject()(wkConf: WkConf, rpc: RPC, val system: ActorSystem)(im
                         "host" -> (entry \ "host").as[String],
                         "program" -> (entry \ "program").as[String],
                         "func_name" -> (entry \ "vx" \ "func_name").as[String],
-                        "line" -> (entry \ "vx" \ "line").as[Long],
+                        "line" -> (entry \ "vx" \ "line").as[Long].toString,
                         "path" -> (entry \ "vx" \ "path").as[String],
                         "process_name" -> (entry \ "vx" \ "process_name").as[String],
                         "thread_name" -> (entry \ "vx" \ "thread_name").as[String],
                         "vx_version" -> (entry \ "vx" \ "version").as[String],
                         "user" -> (entry \ "vx" \ "user").as[String],
-                        "pgid" -> (entry \ "vx" \ "process_group_id").as[Long]
+                        "pgid" -> (entry \ "vx" \ "process_group_id").as[Long].toString
                       ))
                   ).toFox
                 } yield