diff --git a/.gitignore b/.gitignore
index 4118cd001..62b5fd6b4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -267,3 +267,4 @@ mfb/mfbteblack.c
 mfb/mfbtewhite.c
 mfb/mfbtileC.c
 mfb/mfbtileG.c
+.*.swp