diff --git a/kernel/ksmbd/Makefile b/kernel/ksmbd/Makefile
index 6a00b9ccc..f862c155c 100644
--- a/kernel/ksmbd/Makefile
+++ b/kernel/ksmbd/Makefile
@@ -60,7 +60,7 @@ EXTRA_CFLAGS += -DCONFIG_SMB_INSECURE_SERVER=1
 endif
 
 define Build/Compile
-	$(KERNEL_MAKE) SUBDIRS="$(PKG_BUILD_DIR)" \
+	$(KERNEL_MAKE) M="$(PKG_BUILD_DIR)" \
 	EXTRA_CFLAGS="$(EXTRA_CFLAGS)" \
 	$(PKG_EXTRA_KCONFIG) \
 	CONFIG_SMB_SERVER=m \