diff --git a/src/serialization/sb2_specmap.js b/src/serialization/sb2_specmap.js
index 51eeb7bd3..ff5ddd812 100644
--- a/src/serialization/sb2_specmap.js
+++ b/src/serialization/sb2_specmap.js
@@ -984,7 +984,7 @@ const specMap = {
         argMap: [
             {
                 type: 'input',
-                inputOp: 'videoSensing_menu.VIDEO_STATE',
+                inputOp: 'videoSensing_menu_VIDEO_STATE',
                 inputName: 'VIDEO_STATE'
             }
         ]
diff --git a/src/serialization/sb3.js b/src/serialization/sb3.js
index f55c3ad10..d7be7a98f 100644
--- a/src/serialization/sb3.js
+++ b/src/serialization/sb3.js
@@ -36,6 +36,7 @@ const INPUT_DIFF_BLOCK_SHADOW = 3; // obscured shadow
 // Constants used during deserialization of an SB3 file
 const CORE_EXTENSIONS = [
     'argument',
+    'colour',
     'control',
     'data',
     'event',