diff --git a/.gitignore b/.gitignore
index cc892f2a3d4..7ef656055ec 100644
--- a/.gitignore
+++ b/.gitignore
@@ -39,6 +39,7 @@
 *.diff
 *.rej
 *.swp
+*.swo
 *.tmp
 *.pyc
 *.elc