diff --git a/src/netanim/model/animation-interface.cc b/src/netanim/model/animation-interface.cc
index 959e41f4d..36443abbf 100644
--- a/src/netanim/model/animation-interface.cc
+++ b/src/netanim/model/animation-interface.cc
@@ -15,6 +15,7 @@
  *
  * Author: George F. Riley<riley@ece.gatech.edu>
  * Modified by: John Abraham <john.abraham@gatech.edu>
+ * Contributions: Eugene Kalishenko <ydginster@gmail.com> (Open Source and Linux Laboratory http://dev.osll.ru/)
  */
 
 // Interface between ns3 and the network animator
diff --git a/src/netanim/model/animation-interface.h b/src/netanim/model/animation-interface.h
index bf2fa5d3d..7371fac81 100644
--- a/src/netanim/model/animation-interface.h
+++ b/src/netanim/model/animation-interface.h
@@ -14,6 +14,7 @@
  *
  * Author: George F. Riley<riley@ece.gatech.edu>
  * Author: John Abraham <john.abraham@gatech.edu>
+ * Contributions: Eugene Kalishenko <ydginster@gmail.com> (Open Source and Linux Laboratory http://dev.osll.ru/)
  */
 
 // Interface between ns3 and the network animator
diff --git a/src/netanim/test/netanim-test.cc b/src/netanim/test/netanim-test.cc
index c50d4f8ff..dfcee994f 100644
--- a/src/netanim/test/netanim-test.cc
+++ b/src/netanim/test/netanim-test.cc
@@ -14,6 +14,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
  * Author: John Abraham <john.abraham@gatech.edu>
+ * Contributions: Eugene Kalishenko <ydginster@gmail.com> (Open Source and Linux Laboratory http://dev.osll.ru/)
  */
 
 #include <iostream>