diff --git a/package/kernel/modules/netsupport.mk b/package/kernel/modules/netsupport.mk
index 04cdb061fc..789c655e14 100644
--- a/package/kernel/modules/netsupport.mk
+++ b/package/kernel/modules/netsupport.mk
@@ -118,7 +118,6 @@ define KernelPackage/isdn4linux
   SUBMENU:=$(NETWORK_SUPPORT_MENU)
   TITLE:=Old ISDN4Linux (deprecated)
   KCONFIG:= \
-    CONFIG_ISDN=y \
     CONFIG_ISDN_I4L \
     CONFIG_ISDN_PPP=y \
     CONFIG_ISDN_PPP_VJ=y \
@@ -137,14 +136,26 @@ define KernelPackage/isdn4linux
     CONFIG_ISDN_DRV_LOOP=n \
     CONFIG_ISDN_DRV_PCBIT=n \
     CONFIG_ISDN_DRV_SC=n \
-    CONFIG_HYSDN=n
+    CONFIG_HYSDN=n \
   FILES:= \
-    $(LINUX_DIR)/drivers/isdn/i4l/isdn.$(LINUX_KMOD_SUFFIX) \
-    $(LINUX_DIR)/drivers/isdn/i4l/isdn_bsdcomp.$(LINUX_KMOD_SUFFIX) \
-    $(LINUX_DIR)/drivers/isdn/divert/dss1_divert.$(LINUX_KMOD_SUFFIX)
+    $(LINUX_DIR)/drivers/isdn/divert/dss1_divert.$(LINUX_KMOD_SUFFIX) \
   AUTOLOAD:=$(call AutoLoad,40,isdn isdn_bsdcomp dss1_divert)
 endef
 
+define KernelPackage/isdn4linux/2.4
+  KCONFIG+=CONFIG_ISDN
+  FILES+= \
+	$(LINUX_DIR)/drivers/isdn/isdn.$(LINUX_KMOD_SUFFIX) \
+	$(LINUX_DIR)/drivers/isdn/isdn_bsdcomp.$(LINUX_KMOD_SUFFIX)
+endef
+
+define KernelPackage/isdn4linux/2.6
+  KCONFIG+=CONFIG_ISDN=y
+  FILES+= \
+	$(LINUX_DIR)/drivers/isdn/i4l/isdn.$(LINUX_KMOD_SUFFIX) \
+	$(LINUX_DIR)/drivers/isdn/i4l/isdn_bsdcomp.$(LINUX_KMOD_SUFFIX)
+endef
+
 define KernelPackage/isdn4linux/description
   This driver allows you to use an ISDN adapter for networking
 endef