diff --git a/SConstruct b/SConstruct
index ac117488f..d813deda3 100644
--- a/SConstruct
+++ b/SConstruct
@@ -263,7 +263,7 @@ node.add_sources ([
     'random-waypoint-mobility-model.cc',
     'rectangle-default-value.cc',
     'rectangle.cc',
-    'random-direction-mobility-model.cc',
+    'random-direction-2d-mobility-model.cc',
     ])
 node.add_inst_headers ([
     'node.h',
@@ -298,7 +298,7 @@ node.add_inst_headers ([
     'random-waypoint-mobility-model.h',
     'rectangle-default-value.h',
     'rectangle.h',
-    'random-direction-mobility-model.h',
+    'random-direction-2d-mobility-model.h',
     ])
 
 applications = build.Ns3Module ('applications', 'src/applications')
diff --git a/src/node/random-direction-mobility-model.cc b/src/node/random-direction-2d-mobility-model.cc
similarity index 99%
rename from src/node/random-direction-mobility-model.cc
rename to src/node/random-direction-2d-mobility-model.cc
index e2b5a614a..3f4ed93f4 100644
--- a/src/node/random-direction-mobility-model.cc
+++ b/src/node/random-direction-2d-mobility-model.cc
@@ -23,7 +23,7 @@
 #include "ns3/simulator.h"
 #include <algorithm>
 #include <cmath>
-#include "random-direction-mobility-model.h"
+#include "random-direction-2d-mobility-model.h"
 
 namespace ns3 {
 
diff --git a/src/node/random-direction-mobility-model.h b/src/node/random-direction-2d-mobility-model.h
similarity index 100%
rename from src/node/random-direction-mobility-model.h
rename to src/node/random-direction-2d-mobility-model.h