diff --git a/src/platform/qt/AudioProcessor.h b/src/platform/qt/AudioProcessor.h
index 1e232bd99..8043ad21c 100644
--- a/src/platform/qt/AudioProcessor.h
+++ b/src/platform/qt/AudioProcessor.h
@@ -50,7 +50,7 @@ public slots:
 	virtual void requestSampleRate(unsigned) = 0;
 
 protected:
-	mCoreThread* input() { return m_context->thread(); }
+	mCoreThread* input() { return m_context ? m_context->thread() : nullptr; }
 
 private:
 	std::shared_ptr<CoreController> m_context;