diff --git a/lib/roken/configure.in b/lib/roken/configure.in
index 784951764..acf63e550 100644
--- a/lib/roken/configure.in
+++ b/lib/roken/configure.in
@@ -20,7 +20,7 @@ AC_PROG_AWK
 AC_CYGWIN
 AC_OBJEXT
 AC_EXEEXT
-AM_PROG_LIBTOOL
+AC_PROG_LIBTOOL
 
 AC_MIPS_ABI
 CC="$CC $abi"