diff --git a/libs/input/PointerController.h b/libs/input/PointerController.h
index de39eda..aa7ca3c 100644
--- a/libs/input/PointerController.h
+++ b/libs/input/PointerController.h
@@ -75,7 +75,7 @@
     void onDisplayInfosChangedLocked(const std::vector<gui::DisplayInfo>& displayInfos)
             REQUIRES(getLock());
 
-    void dump(std::string& dump);
+    std::string dump();
 
 protected:
     using WindowListenerConsumer =