diff --git a/configure.ac b/configure.ac
index 073edf75b..80c24820b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-dnl $Id$
+ dnl $Id$
 dnl
 dnl Copyright © 2003-2005 Keith Packard, Daniel Stone
 dnl