diff --git a/.gitignore b/.gitignore
index 413eb53..e41b39d 100755
--- a/.gitignore
+++ b/.gitignore
@@ -21,4 +21,5 @@ pdb_*
 .vscode
 *.tar.gz
 single_polymeric_files
-multimer_polymeric_files
\ No newline at end of file
+multimer_polymeric_files
+*.fxi
\ No newline at end of file