diff --git a/.gitignore b/.gitignore
index e6048987f74d3520359a96b312d44c10a14349d4..1c1c598c536439fbb45cd7ef1b3a716c89ef6218 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,6 +18,8 @@
 /projects/DisExamples/nbproject/private/
 /projects/MulticastExample/MulticastReceiver/build/
 /projects/MulticastExample/MulticastReceiver/nbproject/private/
+/projects/MulticastExample/MulticastSender/build/
+/projects/MulticastExample/MulticastSender/nbproject/private/
 /projects/TcpExample1/build
 /projects/TcpExample1/nbproject/private/
 /projects/TcpExample1/dist/