2 files changed, 2 insertions, 2 deletions
diff --git a/packages/json-schemas/schemas/basic_type_schemas.ts b/packages/json-schemas/schemas/basic_type_schemas.ts
index 2cf32b384..7565df9e0 100644
--- a/packages/json-schemas/schemas/basic_type_schemas.ts
+++ b/packages/json-schemas/schemas/basic_type_schemas.ts
@@ -7,7 +7,7 @@ export const addressSchema = {
 export const hexSchema = {
     id: '/Hex',
     type: 'string',
-    pattern: '^0x([0-9a-f][0-9a-f])*$',
+    pattern: '^0x([0-9a-f][0-9a-f])+$',
 };
 
 export const numberSchema = {
diff --git a/packages/json-schemas/test/schema_test.ts b/packages/json-schemas/test/schema_test.ts
index a7d510122..379f92442 100644
--- a/packages/json-schemas/test/schema_test.ts
+++ b/packages/json-schemas/test/schema_test.ts
@@ -90,7 +90,7 @@ describe('Schema', () => {
             validateAgainstSchema(testCases, hexSchema);
         });
         it('should fail for invalid hex string', () => {
-            const testCases = ['0x', '0', '0x00', '0xzzzzzzB11a196601eD2ce54B665CaFEca0347D42'];
+            const testCases = ['0x', '0', '0xzzzzzzB11a196601eD2ce54B665CaFEca0347D42'];
             const shouldFail = true;
             validateAgainstSchema(testCases, hexSchema, shouldFail);
         });