diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -132,8 +132,8 @@
 	compat/glibcxx_sanity.cpp
 	compat/strnlen.cpp
 	fs.cpp
-	interface/handler.cpp
-	interface/node.cpp
+	interfaces/handler.cpp
+	interfaces/node.cpp
 	logging.cpp
 	random.cpp
 	rcu.cpp
diff --git a/src/Makefile.am b/src/Makefile.am
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -141,8 +141,8 @@
   httpserver.h \
   indirectmap.h \
   init.h \
-  interface/handler.h \
-  interface/node.h \
+  interfaces/handler.h \
+  interfaces/node.h \
   key.h \
   keystore.h \
   dbwrapper.h \
@@ -434,8 +434,8 @@
   compat/glibcxx_sanity.cpp \
   compat/strnlen.cpp \
   fs.cpp \
-  interface/handler.cpp \
-  interface/node.cpp \
+  interfaces/handler.cpp \
+  interfaces/node.cpp \
   logging.cpp \
   random.cpp \
   rcu.cpp \
diff --git a/src/interface/handler.h b/src/interfaces/handler.h
rename from src/interface/handler.h
rename to src/interfaces/handler.h
diff --git a/src/interface/handler.cpp b/src/interfaces/handler.cpp
rename from src/interface/handler.cpp
rename to src/interfaces/handler.cpp
--- a/src/interface/handler.cpp
+++ b/src/interfaces/handler.cpp
@@ -2,7 +2,7 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-#include <interface/handler.h>
+#include <interfaces/handler.h>
 
 #include <util.h>
 
diff --git a/src/interface/node.h b/src/interfaces/node.h
rename from src/interface/node.h
rename to src/interfaces/node.h
diff --git a/src/interface/node.cpp b/src/interfaces/node.cpp
rename from src/interface/node.cpp
rename to src/interfaces/node.cpp
--- a/src/interface/node.cpp
+++ b/src/interfaces/node.cpp
@@ -2,12 +2,12 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-#include <interface/node.h>
+#include <interfaces/node.h>
 
 #include <chainparams.h>
 #include <config.h>
 #include <init.h>
-#include <interface/handler.h>
+#include <interfaces/handler.h>
 #include <net.h>
 #include <netaddress.h>
 #include <netbase.h>
diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -28,8 +28,8 @@
 #endif
 
 #include "init.h"
-#include "interface/handler.h"
-#include "interface/node.h"
+#include "interfaces/handler.h"
+#include "interfaces/node.h"
 #include "rpc/server.h"
 #include "ui_interface.h"
 #include "uint256.h"
diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -34,8 +34,8 @@
 
 #include "chainparams.h"
 #include "init.h"
-#include "interface/handler.h"
-#include "interface/node.h"
+#include "interfaces/handler.h"
+#include "interfaces/node.h"
 #include "ui_interface.h"
 #include "util.h"
 
diff --git a/src/qt/optionsmodel.cpp b/src/qt/optionsmodel.cpp
--- a/src/qt/optionsmodel.cpp
+++ b/src/qt/optionsmodel.cpp
@@ -12,7 +12,7 @@
 #include "guiutil.h"
 
 #include "amount.h"
-#include "interface/node.h"
+#include "interfaces/node.h"
 #include "intro.h"
 #include "net.h"
 #include "netbase.h"
diff --git a/src/qt/test/paymentservertests.cpp b/src/qt/test/paymentservertests.cpp
--- a/src/qt/test/paymentservertests.cpp
+++ b/src/qt/test/paymentservertests.cpp
@@ -8,7 +8,7 @@
 #include "paymentrequestdata.h"
 
 #include "amount.h"
-#include "interface/node.h"
+#include "interfaces/node.h"
 #include "random.h"
 #include "script/script.h"
 #include "script/standard.h"
diff --git a/src/qt/test/wallettests.cpp b/src/qt/test/wallettests.cpp
--- a/src/qt/test/wallettests.cpp
+++ b/src/qt/test/wallettests.cpp
@@ -3,7 +3,7 @@
 #include "chainparams.h"
 #include "config.h"
 #include "dstencode.h"
-#include "interface/node.h"
+#include "interfaces/node.h"
 #include "qt/bitcoinamountfield.h"
 #include "qt/optionsmodel.h"
 #include "qt/overviewpage.h"