diff --git a/httperf/configure.ac b/httperf/configure.ac
index 715c8f6..a8a6f31 100755
--- a/httperf/configure.ac
+++ b/httperf/configure.ac
@@ -22,7 +22,7 @@ fi
 AC_PROG_CC
 AC_GNU_SOURCE
 AC_PROG_INSTALL
-AC_PROG_RANLIB
+AC_PROG_LIBTOOL
 AC_PROG_GCC_TRADITIONAL
 
 # Checks for libraries.