diff --git a/.gitignore b/.gitignore
index 0285d2b..4f9589b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -46,3 +46,4 @@ examples/ContentFilterExamples/nogo.py
 ./src/SANDBOX/dataset/Tmall/ijcai2016_taobao.csv
 ./src/SANDBOX/dataset/REES46/events.csv
 ./src/SANDBOX/dataset/REES46/direct_msg/messages-demo.csv
+./corerec/engines/tesr_struct_UF
\ No newline at end of file