diff --git a/include/LoopClosing.h b/include/LoopClosing.h
index 2a276b886e..7eb0416b15 100644
--- a/include/LoopClosing.h
+++ b/include/LoopClosing.h
@@ -80,6 +80,8 @@ class LoopClosing
 
     bool isFinished();
 
+    EIGEN_MAKE_ALIGNED_OPERATOR_NEW
+
 protected:
 
     bool CheckNewKeyFrames();