diff --git a/packages/math/src/decimal.spec.ts b/packages/math/src/decimal.spec.ts
index 6f077075..e8f70330 100644
--- a/packages/math/src/decimal.spec.ts
+++ b/packages/math/src/decimal.spec.ts
@@ -33,7 +33,9 @@ describe("Decimal", () => {
     });
 
     it("throws for atomics that are not non-negative integers", () => {
-      expect(() => Decimal.fromAtomics("-1", 0)).toThrowError(/atomics must not be negative/i);
+      expect(() => Decimal.fromAtomics("-1", 0)).toThrowError(
+        /invalid string format. Only non-negative integers in decimal representation supported/i,
+      );
     });
   });
 
diff --git a/packages/math/src/decimal.ts b/packages/math/src/decimal.ts
index 0aac60ce..0a6a798b 100644
--- a/packages/math/src/decimal.ts
+++ b/packages/math/src/decimal.ts
@@ -109,7 +109,7 @@ export class Decimal {
   private constructor(atomics: string, fractionalDigits: number) {
     if (!atomics.match(/^[0-9]+$/)) {
       throw new Error(
-        "Invalid string format. Only non-negative integers in decimal representation suppored.",
+        "Invalid string format. Only non-negative integers in decimal representation supported.",
       );
     }