diff --git a/.gitignore b/.gitignore
index 4158e1f81ecfe7c9b40c6779201c61f6e5b61b40..26617f121a68b80624b3b35f4652379dd58758eb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,4 +36,7 @@ doc/[Dd]oxygen/man
 *.tar.gz
 *.tgz
 
+# other 3rd party sources
+src/other
+
 # end-of-file