diff --git a/src/blockchain/Blockchain.spec.ts b/src/blockchain/Blockchain.spec.ts
index e37080a..29b88c1 100644
--- a/src/blockchain/Blockchain.spec.ts
+++ b/src/blockchain/Blockchain.spec.ts
@@ -214,6 +214,39 @@ describe('Blockchain', () => {
             op: 0xfffffffe,
             body: (x: Cell) => x.beginParse().skip(32).loadUint(32) === 3,
         })
+
+        // Current time in receiveMessage should match blockchain.now
+        const nowSmc = await blockchain.getContract(contract.address)
+
+        let smcRes = nowSmc.receiveMessage(internal({
+            from: sender.address,
+            to: nowSmc.address,
+            body: beginCell().storeUint(0, 32).storeAddress(sender.address).endCell(),
+            value: toNano('1')
+        }))
+
+        expect(smcRes.now).toBe(3)
+        expect(smcRes.outMessagesCount).toBe(1)
+
+        let respMsg = smcRes.outMessages.get(0)!
+        if (respMsg.info.type !== 'internal') throw new Error('Internal message expected')
+        expect(respMsg.body.beginParse().skip(32).preloadUint(32)).toEqual(3)
+
+        // Make sure now is still overridable in receiveMessage call
+
+        smcRes = nowSmc.receiveMessage(internal({
+            from: sender.address,
+            to: nowSmc.address,
+            body: beginCell().storeUint(0, 32).storeAddress(sender.address).endCell(),
+            value: toNano('1')
+        }), {now: 4})
+
+        expect(smcRes.now).toBe(4)
+        expect(smcRes.outMessagesCount).toBe(1)
+
+        respMsg = smcRes.outMessages.get(0)!
+        if (respMsg.info.type !== 'internal') throw new Error('Internal message expected')
+        expect(respMsg.body.beginParse().skip(32).preloadUint(32)).toEqual(4)
     })
 
     it('execution result in step by step mode should match one in regular mode', async() => {
diff --git a/src/blockchain/SmartContract.ts b/src/blockchain/SmartContract.ts
index 2490fae..c9c337c 100644
--- a/src/blockchain/SmartContract.ts
+++ b/src/blockchain/SmartContract.ts
@@ -248,6 +248,11 @@ export class SmartContract {
     }
 
     receiveMessage(message: Message, params?: MessageParams) {
+        // Sync now with blockchain instance if not specified in parameters
+        params = {
+            now: this.blockchain.now,
+            ...params,
+        }
         return this.runCommon(() => this.blockchain.executor.runTransaction({
             ...this.createCommonArgs(params),
             message: beginCell().store(storeMessage(message)).endCell(),