diff --git a/src/litegraph.js b/src/litegraph.js
index 46ba5038..d8fbe89f 100755
--- a/src/litegraph.js
+++ b/src/litegraph.js
@@ -6226,7 +6226,11 @@ LGraphNode.prototype.executeAction = function(action)
 						}
 					}
 				}
-			}
+			} else if (!skip_action && this.allow_dragcanvas) {
+            	//console.log("pointerevents: dragging_canvas start from middle button");
+            	this.dragging_canvas = true;
+            }
+
         	
         } else if (e.which == 3 || this.pointer_is_double) {