diff -ruN slmodem-2.9.10/Makefile slmodem-2.9.10-new/Makefile
--- slmodem-2.9.10/Makefile	2004-08-08 15:27:51.000000000 +0200
+++ slmodem-2.9.10-new/Makefile	2005-01-04 12:36:01.202191928 +0100
@@ -34,7 +34,7 @@
 	$(RM) -rf ${DESTDIR}/var/lib/slmodem
 
 drivers:
-	$(MAKE) -C drivers KERNEL_DIR=$(KERNEL_DIR)
+	$(MAKE) -C drivers KERNEL_VER=$(KERNEL_VER)
 
 install-drivers: drivers
 	$(MAKE) install -C drivers KERNEL_DIR=$(KERNEL_DIR)