From 249bec57624a096880f6bfb4e3e52979596372d7 Mon Sep 17 00:00:00 2001
From: GarboMuffin <muffin@mailbox.org>
Date: Fri, 14 Jul 2023 21:51:30 -0500
Subject: [PATCH] Fix return value of non-existant procedures in interpreter

---
 src/blocks/scratch3_procedures.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/blocks/scratch3_procedures.js b/src/blocks/scratch3_procedures.js
index 56be0992..b981a038 100644
--- a/src/blocks/scratch3_procedures.js
+++ b/src/blocks/scratch3_procedures.js
@@ -49,6 +49,9 @@ class Scratch3ProcedureBlocks {
         // block is dragged between sprites without the definition.
         // Match Scratch 2.0 behavior and noop.
         if (paramNamesIdsAndDefaults === null) {
+            if (isReporter) {
+                return '';
+            }
             return;
         }