diff --git a/Tranga-API/Program.cs b/Tranga-API/Program.cs
index f2ed2b9..0e8160e 100644
--- a/Tranga-API/Program.cs
+++ b/Tranga-API/Program.cs
@@ -103,7 +103,7 @@ app.MapGet("/Tasks/GetTaskProgress", (string taskType, string? connectorName, st
     {
         TrangaTask.Task pTask = Enum.Parse<TrangaTask.Task>(taskType);
         TrangaTask? task = taskManager
-            .GetTasksMatching(pTask, connectorName: connectorName, publicationId: publicationId)?.First();
+            .GetTasksMatching(pTask, connectorName: connectorName, internalId: publicationId)?.First();
 
         if (task is null)
             return -1f;
@@ -116,13 +116,13 @@ app.MapGet("/Tasks/GetTaskProgress", (string taskType, string? connectorName, st
     }
 });
 
-app.MapPost("/Tasks/Start", (string taskType, string? connectorName, string? publicationId) =>
+app.MapPost("/Tasks/Start", (string taskType, string? connectorName, string? internalId) =>
 {
     try
     {
         TrangaTask.Task pTask = Enum.Parse<TrangaTask.Task>(taskType);
         TrangaTask? task = taskManager
-            .GetTasksMatching(pTask, connectorName: connectorName, publicationId: publicationId)?.First();
+            .GetTasksMatching(pTask, connectorName: connectorName, internalId: internalId)?.FirstOrDefault();
             
         if (task is null)
             return;
@@ -147,7 +147,7 @@ app.MapPost("/Queue/Enqueue", (string taskType, string? connectorName, string? p
     {
         TrangaTask.Task pTask = Enum.Parse<TrangaTask.Task>(taskType);
         TrangaTask? task = taskManager
-            .GetTasksMatching(pTask, connectorName: connectorName, publicationId: publicationId)?.First();
+            .GetTasksMatching(pTask, connectorName: connectorName, internalId: publicationId)?.First();
             
         if (task is null)
             return;
@@ -165,7 +165,7 @@ app.MapDelete("/Queue/Dequeue", (string taskType, string? connectorName, string?
     {
         TrangaTask.Task pTask = Enum.Parse<TrangaTask.Task>(taskType);
         TrangaTask? task = taskManager
-            .GetTasksMatching(pTask, connectorName: connectorName, publicationId: publicationId)?.First();
+            .GetTasksMatching(pTask, connectorName: connectorName, internalId: publicationId)?.First();
             
         if (task is null)
             return;
diff --git a/Tranga/TaskManager.cs b/Tranga/TaskManager.cs
index b168a54..d890bad 100644
--- a/Tranga/TaskManager.cs
+++ b/Tranga/TaskManager.cs
@@ -229,7 +229,7 @@ public class TaskManager
         ExportDataAndSettings();
     }
 
-    public IEnumerable<TrangaTask> GetTasksMatching(TrangaTask.Task taskType, string? connectorName = null, string? searchString = null, string? publicationId = null)
+    public IEnumerable<TrangaTask> GetTasksMatching(TrangaTask.Task taskType, string? connectorName = null, string? searchString = null, string? internalId = null)
     {
         switch (taskType)
         {
@@ -246,11 +246,11 @@ public class TaskManager
                         ((DownloadNewChaptersTask)mTask).connectorName == connectorName &&
                         ((DownloadNewChaptersTask)mTask).ToString().Contains(searchString, StringComparison.InvariantCultureIgnoreCase));
                 }
-                else if (publicationId is not null)
+                else if (internalId is not null)
                 {
                     return matchingdnc.Where(mTask =>
                         ((DownloadNewChaptersTask)mTask).connectorName == connectorName &&
-                        ((DownloadNewChaptersTask)mTask).publication.publicationId == publicationId);
+                        ((DownloadNewChaptersTask)mTask).publication.internalId == internalId);
                 }
                 else
                     return _allTasks.Where(tTask =>
@@ -268,11 +268,11 @@ public class TaskManager
                         ((DownloadChapterTask)mTask).connectorName == connectorName &&
                         ((DownloadChapterTask)mTask).ToString().Contains(searchString, StringComparison.InvariantCultureIgnoreCase));
                 }
-                else if (publicationId is not null)
+                else if (internalId is not null)
                 {
                     return matchingdc.Where(mTask =>
                         ((DownloadChapterTask)mTask).connectorName == connectorName &&
-                        ((DownloadChapterTask)mTask).publication.publicationId == publicationId);
+                        ((DownloadChapterTask)mTask).publication.publicationId == internalId);
                 }
                 else
                     return _allTasks.Where(tTask =>