diff --git a/src/core/Dish.mjs b/src/core/Dish.mjs
index 11b1ff9f..acdf02d9 100755
--- a/src/core/Dish.mjs
+++ b/src/core/Dish.mjs
@@ -292,7 +292,7 @@ class Dish {
                     and reinitialise it as a BigNumber object.
                 */
                 if (Object.keys(this.value).sort().equals(["c", "e", "s"])) {
-                    const temp = new BigNumber();
+                    const temp = new BigNumber(NaN);
                     temp.c = this.value.c;
                     temp.e = this.value.e;
                     temp.s = this.value.s;
diff --git a/tests/node/tests/Dish.mjs b/tests/node/tests/Dish.mjs
index 58da00bf..f648ab66 100644
--- a/tests/node/tests/Dish.mjs
+++ b/tests/node/tests/Dish.mjs
@@ -8,5 +8,8 @@ TestRegister.addApiTests([
         const dish = new Dish();
         assert(dish.presentAs);
     }),
-
+    it("Disk - valid: should not err on serialized big_number", () => {
+        const dish = new Dish({ c: 0, e: 0, s: 0 }, Dish.BIG_NUMBER);
+        assert(dish.valid());
+    })
 ]);