diff --git a/.gitignore b/.gitignore
index 671288d418d2a0a2b8dd836f37cc8359a428f5a6..4dc8867a89b2ff34c4debe0820b3421f9f2e0783 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 .#*
 *~
 *.swp
+*.swo
 # C stuff
 *.o
 *.obj