diff --git a/src/contract.ts b/src/contract.ts
index e155cbb..b7ff4f4 100644
--- a/src/contract.ts
+++ b/src/contract.ts
@@ -38,7 +38,7 @@ export class Contract {
 }
 
 function toFragment(abi: JsonFragment[] | string[] | Fragment[]): Fragment[] {
-  return abi.map((item: JsonFragment | string | Fragment) => Fragment.from(item));
+  return abi.map((item: JsonFragment | string | Fragment) => Fragment.from(item)).filter(fragment => fragment !== null);
 }
 
 function makeCallFunction(contract: Contract, name: string) {
diff --git a/test/index.test.ts b/test/index.test.ts
index d315e26..3cf6f6d 100755
--- a/test/index.test.ts
+++ b/test/index.test.ts
@@ -38,6 +38,10 @@ it('json abi', async () => {
         payable: false,
         stateMutability: 'view',
         type: 'function'
+    },
+    {
+      stateMutability: 'payable',
+      type: 'receive'
     }
   ];
   const addresses = [