diff --git a/daemon/face/ndnlp-slicer.hpp b/daemon/face/ndnlp-slicer.hpp
index ba04e3c..716cddc 100644
--- a/daemon/face/ndnlp-slicer.hpp
+++ b/daemon/face/ndnlp-slicer.hpp
@@ -22,10 +22,10 @@
 public:
   explicit
   Slicer(size_t mtu);
-  
+
   virtual
   ~Slicer();
-  
+
   PacketArray
   slice(const Block& block);
 
@@ -33,13 +33,13 @@
   /// estimate the size of NDNLP header and maximum payload size per packet
   void
   estimateOverhead();
-  
+
 private:
   SequenceGenerator m_seqgen;
-  
+
   /// maximum packet size
   size_t m_mtu;
-  
+
   /// maximum payload size
   size_t m_maxPayload;
 };