diff --git a/configure.ac b/configure.ac
index ffc9bbd..d15b654 100644
--- a/configure.ac
+++ b/configure.ac
@@ -101,6 +101,7 @@ AC_ISC_POSIX
 AM_PROG_LEX
 AC_PROG_YACC
 AC_PROG_LIBTOOL
+AC_PROG_MKDIR_P
 
 AC_HEADER_STDC([])