diff --git a/app/src/processing/app/Sketch.java b/app/src/processing/app/Sketch.java
index 8bb50352b..8bcd52958 100644
--- a/app/src/processing/app/Sketch.java
+++ b/app/src/processing/app/Sketch.java
@@ -1929,4 +1929,10 @@ public boolean equals(Object another) {
     }
     return false;
   }
+
+
+  @Override
+  public int hashCode(){
+      return getMainPath().hashCode();
+  }
 }