diff --git a/package-lock.json b/package-lock.json
index 7d43b6b3..5c966d83 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "cyberchef",
-  "version": "9.20.2",
+  "version": "9.20.3",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index ea0a5d98..a8f4198e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cyberchef",
-  "version": "9.20.2",
+  "version": "9.20.3",
   "description": "The Cyber Swiss Army Knife for encryption, encoding, compression and data analysis.",
   "author": "n1474335 <n1474335@gmail.com>",
   "homepage": "https://gchq.github.io/CyberChef",
diff --git a/src/core/dishTypes/DishJSON.mjs b/src/core/dishTypes/DishJSON.mjs
index 210f32d8..703b0980 100644
--- a/src/core/dishTypes/DishJSON.mjs
+++ b/src/core/dishTypes/DishJSON.mjs
@@ -17,7 +17,7 @@ class DishJSON extends DishType {
      */
     static toArrayBuffer() {
         DishJSON.checkForValue(this.value);
-        this.value = this.value ? Utils.strToArrayBuffer(JSON.stringify(this.value, null, 4)) : new ArrayBuffer;
+        this.value = this.value !== undefined ? Utils.strToArrayBuffer(JSON.stringify(this.value, null, 4)) : new ArrayBuffer;
     }
 
     /**