diff --git a/sam3s_example/.gitignore b/sam3s_example/.gitignore
index 60fffb0e..f27dc926 100644
--- a/sam3s_example/.gitignore
+++ b/sam3s_example/.gitignore
@@ -2,3 +2,4 @@ bin/
 *.swp
 *~
 obj/
+build/