diff --git a/configure.in b/configure.ac
similarity index 99%
rename from configure.in
rename to configure.ac
index 832e2b2..88ea77f 100644
--- a/configure.in
+++ b/configure.ac
@@ -5,7 +5,7 @@ rm -f config.cache
 
 AC_INIT(expedite, 0.6.0, enlightenment-devel@lists.sourceforge.net)
 AC_PREREQ(2.52)
-AC_CONFIG_SRCDIR(configure.in)
+AC_CONFIG_SRCDIR(configure.ac)
 AC_CANONICAL_BUILD
 AC_CANONICAL_HOST