diff --git a/include/gui/SurfaceTexture.h b/include/gui/SurfaceTexture.h
index f5f9ea7..5a9e86f 100644
--- a/include/gui/SurfaceTexture.h
+++ b/include/gui/SurfaceTexture.h
@@ -29,6 +29,7 @@
     void getTransformMatrix(float mtx[16]) {}
     void setFrameAvailableListener(const sp<FrameAvailableListener>&) {}
     void setSynchronousMode(bool) {}
+    GLenum getCurrentTextureTarget() const { return 0; }
 };
 
 static sp<SurfaceTexture> SurfaceTexture_getSurfaceTexture(JNIEnv* env, jobject thiz)