diff --git a/configure.ac b/configure.ac
index b16ef71c..a3701fb9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -5,6 +5,7 @@ AC_DEFINE(API_VERSION, 9, api version)
 AM_INIT_AUTOMAKE
 AC_CONFIG_HEADERS(config.h)
 
+AC_PROG_RANLIB
 AC_PROG_CXX
 AC_PROG_LIBTOOL