diff --git a/HISTORY.md b/HISTORY.md
index d70da439..d1ae2f67 100755
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -5,6 +5,7 @@
 * **Notable Changes:**
     * added "loadProjectXML" method to the api
     * hyperized "atrribute OF sprite" reporter primitive in the sensing category
+    * show the common attributes for sprites in the OF-dropdown by default
 * **Documentation Updates:**
     * API update for "loadProjectXML"
 
@@ -13,6 +14,7 @@
 * api: new loadProjectXML() method
 * updated api documentation
 * threads: hyperized "atrribute OF sprite" reporter primitive
+* blocks: show the common attributes for sprites in the OF-dropdown by default
 
 ## 6.3.6
 * **Notable Changes:**
diff --git a/snap.html b/snap.html
index 48744531..09372726 100755
--- a/snap.html
+++ b/snap.html
@@ -8,7 +8,7 @@
         <script src="src/morphic.js?version=2020-11-12"></script>
         <script src="src/symbols.js?version=2020-10-07"></script>
         <script src="src/widgets.js?version=2020-10-06"></script>
-        <script src="src/blocks.js?version=2020-11-17"></script>
+        <script src="src/blocks.js?version=2020-11-21"></script>
         <script src="src/threads.js?version=2020-11-21"></script>
         <script src="src/objects.js?version=2020-11-20"></script>
         <script src="src/gui.js?version=2020-11-21"></script>
diff --git a/src/blocks.js b/src/blocks.js
index 31eff976..1b6bd514 100644
--- a/src/blocks.js
+++ b/src/blocks.js
@@ -158,7 +158,7 @@ CustomCommandBlockMorph, SymbolMorph, ToggleButtonMorph, DialMorph*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.blocks = '2020-November-17';
+modules.blocks = '2020-November-21';
 
 var SyntaxElementMorph;
 var BlockMorph;
@@ -9417,10 +9417,20 @@ InputSlotMorph.prototype.attributesMenu = function () {
             morph => morph.name === objName
         );
     }
-    if (!obj) {
-        return dict;
-    }
-    if (obj instanceof SpriteMorph) {
+    if (obj instanceof StageMorph) {
+        dict = {
+            'costume #' : ['costume #'],
+            'costume name' : ['costume name'],
+            'volume' : ['volume'],
+            'balance' : ['balance'],
+            'width': ['width'],
+            'height': ['height'],
+            'left' : ['left'],
+            'right' : ['right'],
+            'top' : ['top'],
+            'bottom' : ['bottom']
+        };
+    } else { // assume a sprite
         dict = {
             'x position' : ['x position'],
             'y position' : ['y position'],
@@ -9437,30 +9447,19 @@ InputSlotMorph.prototype.attributesMenu = function () {
             'volume' : ['volume'],
             'balance' : ['balance']
         };
-    } else { // the stage
-        dict = {
-            'costume #' : ['costume #'],
-            'costume name' : ['costume name'],
-            'volume' : ['volume'],
-            'balance' : ['balance'],
-            'width': ['width'],
-            'height': ['height'],
-            'left' : ['left'],
-            'right' : ['right'],
-            'top' : ['top'],
-            'bottom' : ['bottom']
-        };
     }
-    varNames = obj.variables.names();
-    if (varNames.length > 0) {
-        dict['~'] = null;
-        varNames.forEach(name =>
-            dict[name] = name
+    if (obj) {
+        varNames = obj.variables.names();
+        if (varNames.length > 0) {
+            dict['~'] = null;
+            varNames.forEach(name =>
+                dict[name] = name
+            );
+        }
+        obj.allBlocks(true).forEach((def, i) =>
+            dict['§_def' + i] = def.blockInstance(true) // include translations
         );
     }
-    obj.allBlocks(true).forEach((def, i) =>
-        dict['§_def' + i] = def.blockInstance(true) // include translations
-    );
     return dict;
 };