diff --git a/daemon/fw/forwarder.cpp b/daemon/fw/forwarder.cpp
index 8ffda2f..8ce48f7 100644
--- a/daemon/fw/forwarder.cpp
+++ b/daemon/fw/forwarder.cpp
@@ -39,7 +39,7 @@
   NFD_LOG_DEBUG("onIncomingInterest face=" << inFace.getId() <<
                 " interest=" << interest.getName());
   const_cast<Interest&>(interest).setIncomingFaceId(inFace.getId());
-  m_counters.getInInterest() ++;
+  m_counters.getNInInterests() ++;
 
   // /localhost scope control
   bool isViolatingLocalhost = !inFace.isLocal() &&
@@ -155,7 +155,7 @@
 
   // send Interest
   outFace.sendInterest(interest);
-  m_counters.getOutInterest() ++;
+  m_counters.getNOutInterests() ++;
 }
 
 void
@@ -186,7 +186,7 @@
   // receive Data
   NFD_LOG_DEBUG("onIncomingData face=" << inFace.getId() << " data=" << data.getName());
   const_cast<Data&>(data).setIncomingFaceId(inFace.getId());
-  m_counters.getInData() ++;
+  m_counters.getNInDatas() ++;
 
   // /localhost scope control
   bool isViolatingLocalhost = !inFace.isLocal() &&
@@ -282,7 +282,7 @@
 
   // send Data
   outFace.sendData(data);
-  m_counters.getOutData() ++;
+  m_counters.getNOutDatas() ++;
 }
 
 static inline bool