diff --git a/include/kernel.mk b/include/kernel.mk
index 788e3f237..748605705 100644
--- a/include/kernel.mk
+++ b/include/kernel.mk
@@ -115,8 +115,7 @@ $(call KernelPackage/$(1)/description)
     endef
   endif
 
-  # check that all CONFIG_* symbols in $(KCONFIG) are set to 'm'
-  ifeq ($(filter-out m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$(if $($(c)),$($(c)),n))),)
+  ifneq ($(if $(KCONFIG),$(filter m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
     ifneq ($(strip $(FILES)),)
       define Package/kmod-$(1)/install
 		  mkdir -p $$(1)/lib/modules/$(LINUX_VERSION)
diff --git a/include/netfilter.mk b/include/netfilter.mk
index 6f77f9670..35efc039c 100644
--- a/include/netfilter.mk
+++ b/include/netfilter.mk
@@ -16,9 +16,7 @@ endif
 
 define nf_add
  $(1)-$$($(2)) += $(3)
- ifeq ($$($(2)),m)
-  KCONFIG_$(1) += $(2)
- endif
+ KCONFIG_$(1) += $(2)
 endef
 
 IPT_CONNTRACK-m :=