diff --git a/include/gui/SurfaceTextureClient.h b/include/gui/SurfaceTextureClient.h
index 57f9e15..971a1b8 100644
--- a/include/gui/SurfaceTextureClient.h
+++ b/include/gui/SurfaceTextureClient.h
@@ -40,6 +40,7 @@
 
 protected:
     SurfaceTextureClient();
+    virtual ~SurfaceTextureClient();
     void setISurfaceTexture(const sp<ISurfaceTexture>& surfaceTexture);
 
 private: