diff --git a/Makefile b/Makefile
index d17afc873..680c5dc18 100644
--- a/Makefile
+++ b/Makefile
@@ -8,6 +8,9 @@ all:
 	$(MAKE) -C daemon
 	$(MAKE) -C recording-daemon
 	$(MAKE) -C iptables-extension
+
+with-kernel:
+	$(MAKE)
 	$(MAKE) -C kernel-module
 
 clean:
diff --git a/kernel-module/Makefile b/kernel-module/Makefile
index 23e7a6cc1..9b1528c96 100644
--- a/kernel-module/Makefile
+++ b/kernel-module/Makefile
@@ -34,7 +34,7 @@ modules:
 		make -C $(KBUILD) M=$(PWD) O=$(KBUILD) modules
 
 clean:
-		make -C $(KBUILD) M=$(PWD) clean
+		make -C $(KBUILD) M=$(PWD) clean || true
 
 patch:
 		../utils/patch-kernel magic "$(PWD)" "$(KERNEL)" "$(RTPENGINE_VERSION)"