diff --git a/.gitignore b/.gitignore
index 9f2b009c6..041624475 100644
--- a/.gitignore
+++ b/.gitignore
@@ -57,3 +57,6 @@ dfhack/python/dist
 build/CPack*Config.cmake
 
 /cmakeall.bat
+
+# swap files for vim
+*.swp