1 files changed, 2 insertions, 0 deletions
diff --git a/js/Misc/MBLOCK.js b/js/Misc/MBLOCK.js
index 2b478a8a..bf6d83e4 100644
--- a/js/Misc/MBLOCK.js
+++ b/js/Misc/MBLOCK.js
@@ -30,6 +30,7 @@ function MBLOCK() {
         this.x = standard_define([3,2],model,exprs,gr_i);
         this.x.graphics.in_implicit = this.intype;
         this.x.graphics.out_implicit = this.outtype;
+        return new BasicBlock(this.x);
     }
     MBLOCK.prototype.details = function MBLOCK() {
         return this.x;
@@ -270,5 +271,6 @@ function MBLOCK() {
                 break;
             }
         }
+        return new BasicBlock(this.x);
     }
 }