diff --git a/.gitignore b/.gitignore
index ff7a557f73..57ff375f50 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,6 +24,7 @@
 *_proto_cpp.xml
 *~
 .*.sw?
+.sw?
 .DS_Store
 .cproject
 .gdb_history