diff --git a/flash.py b/flash.py
index 1e54f98..2e81943 100755
--- a/flash.py
+++ b/flash.py
@@ -49,7 +49,7 @@ def flash(dev):
         print("flashed")
         
         with tempfile.TemporaryDirectory() as tempdir:
-            mount_cmd = ["mount",f"{dev}2", tempdir]
+            mount_cmd = ["mount",/dev/f"{dev}2", tempdir]
             umount_cmd = ["umount", tempdir]
 
             print("mounting")