diff --git a/tftp.spec b/tftp.spec
index cb35c61..3fbb584 100644
--- a/tftp.spec
+++ b/tftp.spec
@@ -49,7 +49,7 @@ enabled unless it is expressly needed.  The TFTP server is run from
 %patch6 -p1 -b .cmd_arg
 
 %build
-
+autoreconf
 %configure
 make %{?_smp_mflags}