diff --git a/configure.in b/configure.in
index edf4cd4..2bc13be 100644
--- a/configure.in
+++ b/configure.in
@@ -16,8 +16,9 @@ AC_PROG_YACC
 AM_PROG_LIBTOOL
 AM_PROG_CC_STDC
 AC_HEADER_STDC
-
+AM_PROG_LIBTOOL
 AC_PROG_INTLTOOL
+AC_PROG_YACC
 
 PKG_CHECK_MODULES(PACKAGE, [
 	gtk+-2.0 >= 2.6.0