diff --git a/server/drivers/Makefile.am b/server/drivers/Makefile.am
index 552f9e7..ace6427 100644
--- a/server/drivers/Makefile.am
+++ b/server/drivers/Makefile.am
@@ -30,7 +30,7 @@ CFontz_LDADD =       libLCD.a libbignum.a
 CFontz633_LDADD =    libLCD.a libbignum.a
 CFontzPacket_LDADD = libLCD.a libbignum.a
 curses_LDADD =       @LIBCURSES@
-CwLnx_LDADD =        libLCD.a
+CwLnx_LDADD =        libLCD.a libbignum.a
 g15_LDADD =          libLCD.a @LIBG15@
 glcdlib_LDADD =      libLCD.a @LIBGLCD@
 hd44780_LDADD =      libLCD.a @HD44780_DRIVERS@ @libusb_libs@ libbignum.a