diff --git a/m4/.gitignore b/m4/.gitignore
deleted file mode 100644
index f733c4b5f..000000000
--- a/m4/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-config/
diff --git a/m4/config/.gitignore b/m4/config/.gitignore
new file mode 100644
index 000000000..0f4126cd6
--- /dev/null
+++ b/m4/config/.gitignore
@@ -0,0 +1 @@
+*.m4