diff --git a/.gitignore b/.gitignore
index f47cb2045f130d56b12a40b1ab207bd492281c17..e25e8082da295c0d228bc0fb236ea40289247c49 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,3 @@
 *.out
+*.o
+core