diff --git a/.gitignore b/.gitignore
index 832090e0b7..5ccb71df97 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,7 @@
 /config.guess
 /config.h
 /config.h.in
+/config.h.in~
 /config.log
 /config.status
 /config.status.lineno