diff --git a/src/libs/solutions/tasking/tasktreerunner.cpp b/src/libs/solutions/tasking/tasktreerunner.cpp
index b0b33265add..abaa0777191 100644
--- a/src/libs/solutions/tasking/tasktreerunner.cpp
+++ b/src/libs/solutions/tasking/tasktreerunner.cpp
@@ -16,6 +16,7 @@ void TaskTreeRunner::start(const Group &recipe)
         m_taskTree.release()->deleteLater();
         emit done(result);
     });
+    emit aboutToStart(m_taskTree.get());
     m_taskTree->start();
 }
 
diff --git a/src/libs/solutions/tasking/tasktreerunner.h b/src/libs/solutions/tasking/tasktreerunner.h
index 6f8c1f59df9..632bd13610d 100644
--- a/src/libs/solutions/tasking/tasktreerunner.h
+++ b/src/libs/solutions/tasking/tasktreerunner.h
@@ -33,6 +33,7 @@ public:
     void reset();
 
 signals:
+    void aboutToStart(TaskTree *taskTree);
     void done(DoneWith result);
 
 private: