diff --git a/.gitignore b/.gitignore
index cdcb4e8..873e5ca 100755
--- a/.gitignore
+++ b/.gitignore
@@ -24,4 +24,5 @@ single_polymeric_files
 multimer_polymeric_files
 *.fxi
 *.pir
-*.svg
\ No newline at end of file
+*.svg
+*.png
\ No newline at end of file