diff --git a/src/disk.c b/src/disk.c
index 486f50d..b0d4499 100644
--- a/src/disk.c
+++ b/src/disk.c
@@ -413,6 +413,13 @@ int disk_init(struct usb_device_info * dev) {
 
 }
 
+void disk_exit(struct usb_device_info * dev) {
+
+	if ( dev->data >= 0 )
+		close(dev->data);
+
+}
+
 enum device disk_get_device(struct usb_device_info * dev) {
 
 	return dev->device;
diff --git a/src/disk.h b/src/disk.h
index d5f367d..15eb127 100644
--- a/src/disk.h
+++ b/src/disk.h
@@ -24,6 +24,7 @@
 #include "usb-device.h"
 
 int disk_init(struct usb_device_info * dev);
+void disk_exit(struct usb_device_info * dev);
 
 enum device disk_get_device(struct usb_device_info * dev);
 
diff --git a/src/operations.c b/src/operations.c
index cd7ef44..b3be2c7 100644
--- a/src/operations.c
+++ b/src/operations.c
@@ -91,8 +91,11 @@ clean:
 
 void dev_free(struct device_info * dev) {
 
-	if ( dev->usb )
+	if ( dev->usb ) {
+		if ( dev->usb->flash_device->protocol == FLASH_DISK )
+			disk_exit(dev->usb);
 		usb_close_device(dev->usb);
+	}
 	free(dev);
 
 }