diff --git a/changelog/unreleased/7760 b/changelog/unreleased/7760
new file mode 100644
index 00000000000..6f50007518b
--- /dev/null
+++ b/changelog/unreleased/7760
@@ -0,0 +1,4 @@
+Bugfix: Fixed a potential crash on cancelation of discovery jobs
+
+
+https://github.com/owncloud/client/pull/7760
diff --git a/src/libsync/discoveryphase.h b/src/libsync/discoveryphase.h
index 14dfdc6a357..52c6596be08 100644
--- a/src/libsync/discoveryphase.h
+++ b/src/libsync/discoveryphase.h
@@ -158,7 +158,7 @@ class DiscoveryPhase : public QObject
 
     friend class ProcessDirectoryJob;
 
-    ProcessDirectoryJob *_currentRootJob = nullptr;
+    QPointer<ProcessDirectoryJob> _currentRootJob;
 
     /** Maps the db-path of a deleted item to its SyncFileItem.
      *