diff --git a/changelog/unreleased/9149 b/changelog/unreleased/9149
new file mode 100644
index 00000000000..a31f8405380
--- /dev/null
+++ b/changelog/unreleased/9149
@@ -0,0 +1,8 @@
+Bugfix: immediately propagate changes to the ignore list
+
+Previously, when changing the ignore list, those changes would not be
+propagated to existing sync folders. Only after restarting the client,
+would these changes be applied.
+
+https://github.com/owncloud/client/issues/8975
+https://github.com/owncloud/client/pull/9149
diff --git a/src/gui/folder.h b/src/gui/folder.h
index 3f7d3073734..adc64659ece 100644
--- a/src/gui/folder.h
+++ b/src/gui/folder.h
@@ -374,6 +374,9 @@ public slots:
      */
     void schedulePathForLocalDiscovery(const QString &relativePath);
 
+    /// Reloads the excludes, used when changing the user-defined excludes after saving them to disk.
+    bool reloadExcludes();
+
 private slots:
     void slotSyncStarted();
     void slotSyncFinished(bool);
@@ -425,8 +428,6 @@ private slots:
 private:
     void connectSyncRoot();
 
-    bool reloadExcludes();
-
     void showSyncResultPopup();
 
     bool checkLocalPath();
diff --git a/src/gui/ignorelisteditor.cpp b/src/gui/ignorelisteditor.cpp
index 0b11543cbdc..f6882e300d0 100644
--- a/src/gui/ignorelisteditor.cpp
+++ b/src/gui/ignorelisteditor.cpp
@@ -121,6 +121,7 @@ void IgnoreListEditor::slotUpdateLocalIgnoreList()
     // ignored (because the remote etag did not change)   (issue #3172)
     for (auto *folder : folderMan->map()) {
         folder->journalDb()->forceRemoteDiscoveryNextSync();
+        folder->reloadExcludes();
         folder->slotNextSyncFullLocalDiscovery();
         folderMan->scheduleFolder(folder);
     }