diff --git a/sam3s_example/.gitignore b/sam3s_example/.gitignore
index f27dc926..d5971817 100644
--- a/sam3s_example/.gitignore
+++ b/sam3s_example/.gitignore
@@ -3,3 +3,5 @@ bin/
 *~
 obj/
 build/
+cscope.out
+main.c