diff --git a/.gitignore b/.gitignore
index 546d641e7..9997356ac 100644
--- a/.gitignore
+++ b/.gitignore
@@ -140,7 +140,6 @@ libtool
 localconfigure
 localrepo
 ltmain.sh
-m4/asm-underscore.m4
 m4/gnulib-cache.m4
 m4/intmax.m4
 m4/libtool.m4
diff --git a/m4/.gitignore b/m4/.gitignore
index 311fc4a80..369a9505f 100644
--- a/m4/.gitignore
+++ b/m4/.gitignore
@@ -172,3 +172,4 @@ xsize.m4
 /printf.m4
 /wchar_h.m4
 /wctype_h.m4
+/asm-underscore.m4