diff --git a/Images/px4-same70xplained-v1.prototype b/Images/px4-same70xplained-v1.prototype
index 84ba1fcecd..6c809b4a3b 100644
--- a/Images/px4-same70xplained-v1.prototype
+++ b/Images/px4-same70xplained-v1.prototype
@@ -7,6 +7,7 @@
     "summary": "PX4/SAME70xplained",
     "version": "0.1",
     "image_size": 0,
+    "image_maxsize": 2097152,
     "git_identity": "",
     "board_revision": 0
 }