diff --git a/pxtarget.json b/pxtarget.json
index 63154f8f..7b52e407 100644
--- a/pxtarget.json
+++ b/pxtarget.json
@@ -157,7 +157,7 @@
     "simulator": {
         "autoRun": true,
         "streams": false,
-        "aspectRatio": 1.22,
+        "aspectRatio": 1.13,
         "parts": true,
         "partsAspectRatio": 0.69,
         "boardDefinition": {
@@ -264,7 +264,7 @@
             "marginWhenBreadboarding": [
                 0,
                 0,
-                0,
+                80,
                 0
             ]
         }