diff --git a/libs/remix-lib/package.json b/libs/remix-lib/package.json
index d8b0328a73..e611abe43c 100644
--- a/libs/remix-lib/package.json
+++ b/libs/remix-lib/package.json
@@ -57,4 +57,4 @@
   "typings": "src/index.d.ts",
   "gitHead": "89e43672a629f3267cc1b9c1e6109798d5c91d20",
   "types": "./src/index.d.ts"
-}
+}
\ No newline at end of file
diff --git a/libs/remix-lib/src/hash.ts b/libs/remix-lib/src/hash.ts
index 624154be99..47334c1ce6 100644
--- a/libs/remix-lib/src/hash.ts
+++ b/libs/remix-lib/src/hash.ts
@@ -158,7 +158,7 @@ export const ripemd160FromArray = function(a: number[], padded: boolean): Buffer
  * @param a The input data
  */
 export const rlphash = function(a: Input): Buffer {
-  return keccak(encode(a))
+  return keccak(Buffer.from(encode(a)))
 }
 
 /**
diff --git a/libs/remix-simulator/package.json b/libs/remix-simulator/package.json
index a566ec9a17..88fade749e 100644
--- a/libs/remix-simulator/package.json
+++ b/libs/remix-simulator/package.json
@@ -71,4 +71,4 @@
   "typings": "src/index.d.ts",
   "gitHead": "89e43672a629f3267cc1b9c1e6109798d5c91d20",
   "types": "./src/index.d.ts"
-}
+}
\ No newline at end of file
diff --git a/libs/remix-simulator/src/methods/transactions.ts b/libs/remix-simulator/src/methods/transactions.ts
index bdf26bfbc3..bbec179438 100644
--- a/libs/remix-simulator/src/methods/transactions.ts
+++ b/libs/remix-simulator/src/methods/transactions.ts
@@ -158,7 +158,7 @@ export class Transactions {
     this.vmContext.web3().flagNextAsDoNotRecordEvmSteps()
     processTx(this.txRunnerInstance, payload, true, (error, value: VMexecutionResult) => {
       if (error) return cb(error)
-      const result: RunTxResult = value.result
+      const result: any = value.result
       if (result.execResult && result.execResult.exceptionError && result.execResult.exceptionError.errorType === 'EvmError') {
         return cb(result.execResult.exceptionError.error)
       }
diff --git a/libs/remix-simulator/src/vm-context.ts b/libs/remix-simulator/src/vm-context.ts
index 224dbb96e5..fa9df3ef37 100644
--- a/libs/remix-simulator/src/vm-context.ts
+++ b/libs/remix-simulator/src/vm-context.ts
@@ -74,7 +74,7 @@ class StateManagerCommonStorageDump extends DefaultStateManager {
             const value = decode(val.value)
             storage['0x' + val.key.toString('hex')] = {
               key: this.keyHashes[val.key.toString('hex')],
-              value: '0x' + value.toString('hex')
+              value: '0x' + value.toString()
             }
           })
           stream.on('end', () => {