diff --git a/packages/nodes-base/nodes/Aws/DynamoDB/GenericFunctions.ts b/packages/nodes-base/nodes/Aws/DynamoDB/GenericFunctions.ts
index 5197c6968a..c701f0338f 100644
--- a/packages/nodes-base/nodes/Aws/DynamoDB/GenericFunctions.ts
+++ b/packages/nodes-base/nodes/Aws/DynamoDB/GenericFunctions.ts
@@ -66,7 +66,8 @@ export async function awsApiRequestAllItems(
 	let responseData;
 
 	do {
-		responseData = await awsApiRequest.call(this, service, method, path, body, headers);
+		const originalHeaders = Object.assign({}, headers); //The awsapirequest function adds the hmac signature to the headers, if we pass the modified headers back in on the next call it will fail with invalid signature
+		responseData = await awsApiRequest.call(this, service, method, path, body, originalHeaders);
 		if (responseData.LastEvaluatedKey) {
 			body!.ExclusiveStartKey = responseData.LastEvaluatedKey;
 		}
diff --git a/packages/nodes-base/nodes/Aws/DynamoDB/utils.ts b/packages/nodes-base/nodes/Aws/DynamoDB/utils.ts
index ffc64063a7..4bbb572a13 100644
--- a/packages/nodes-base/nodes/Aws/DynamoDB/utils.ts
+++ b/packages/nodes-base/nodes/Aws/DynamoDB/utils.ts
@@ -81,6 +81,8 @@ function decodeAttribute(type: AttributeValueType, attribute: string) {
 		case 'SS':
 		case 'NS':
 			return attribute;
+		case 'M':
+			return simplify(attribute);
 		default:
 			return null;
 	}