diff --git a/src/mkii.c b/src/mkii.c
index b83ab2c..81e860d 100644
--- a/src/mkii.c
+++ b/src/mkii.c
@@ -162,6 +162,25 @@ int mkii_set_kernel_ver(struct usb_device_info * dev, const char * ver) {
 
 }
 
+int mkii_get_initfs_ver(struct usb_device_info * dev, char * ver, size_t size) {
+
+	ERROR("Not implemented yet");
+	(void)dev;
+	(void)ver;
+	(void)size;
+	return -1;
+
+}
+
+int mkii_set_initfs_ver(struct usb_device_info * dev, const char * ver) {
+
+	ERROR("Not implemented yet");
+	(void)dev;
+	(void)ver;
+	return -1;
+
+}
+
 int mkii_get_nolo_ver(struct usb_device_info * dev, char * ver, size_t size) {
 
 	ERROR("Not implemented yet");
diff --git a/src/mkii.h b/src/mkii.h
index 15da7f8..d4d5c31 100644
--- a/src/mkii.h
+++ b/src/mkii.h
@@ -49,6 +49,9 @@ int mkii_set_hwrev(struct usb_device_info * dev, int16_t hwrev);
 int mkii_get_kernel_ver(struct usb_device_info * dev, char * ver, size_t size);
 int mkii_set_kernel_ver(struct usb_device_info * dev, const char * ver);
 
+int mkii_get_initfs_ver(struct usb_device_info * dev, char * ver, size_t size);
+int mkii_set_initfs_ver(struct usb_device_info * dev, const char * ver);
+
 int mkii_get_nolo_ver(struct usb_device_info * dev, char * ver, size_t size);
 int mkii_set_nolo_ver(struct usb_device_info * dev, const char * ver);