diff --git a/atmel-samd/main.c b/atmel-samd/main.c
index 5c473b211d..dbf47482d8 100644
--- a/atmel-samd/main.c
+++ b/atmel-samd/main.c
@@ -782,8 +782,8 @@ int main(void) {
         if (!skip_boot_output) {
             f_close(boot_output_file);
             flash_flush();
-            boot_output_file = NULL;
         }
+        boot_output_file = NULL;
         #endif
 
         // Reset to remove any state that boot.py setup. It should only be used to