diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index 346b686..54fc578 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -696,7 +696,7 @@
     }
 
     status_t setTransactionState(const FrameTimelineInfo& /*frameTimelineInfo*/,
-                                 const Vector<ComposerState>& /*state*/,
+                                 Vector<ComposerState>& /*state*/,
                                  const Vector<DisplayState>& /*displays*/, uint32_t /*flags*/,
                                  const sp<IBinder>& /*applyToken*/,
                                  const InputWindowCommands& /*inputWindowCommands*/,