diff --git a/.gitignore b/.gitignore
index 37d009a25522d227b3a643899753dc721067d9af..b52a4245a21c0a3297d42c0374355c6d05c93251 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@ ELFIO.v11.suo
 ELFIO.opensdf
 ELFIO.v12.suo
 .vs
+tmp/
 
 ELFIOTest/Debug
 ELFIOTest/Release