diff --git a/include/rtabmap_ros/CoreWrapper.h b/include/rtabmap_ros/CoreWrapper.h
index 4d1d3791..d79f21ab 100644
--- a/include/rtabmap_ros/CoreWrapper.h
+++ b/include/rtabmap_ros/CoreWrapper.h
@@ -368,6 +368,7 @@ private:
 	bool createIntermediateNodes_;
 	int maxMappingNodes_;
 	bool alreadyRectifiedImages_;
+	bool twoDMapping_;
 	ros::Time previousStamp_;
 };