diff --git a/src/SoapCore.Tests/MessageContract/Models/IArrayOfArrayOfByteService.cs b/src/SoapCore.Tests/MessageContract/Models/IArrayOfArrayOfByteService.cs
new file mode 100644
index 00000000..f5b7b3b1
--- /dev/null
+++ b/src/SoapCore.Tests/MessageContract/Models/IArrayOfArrayOfByteService.cs
@@ -0,0 +1,30 @@
+using System.ServiceModel;
+using System.Text;
+
+namespace SoapCore.Tests.MessageContract.Models
+{
+	[ServiceContract(Namespace = "http://tempuri.org")]
+	public interface IArrayOfArrayOfByteService
+	{
+		[OperationContract]
+		string ArrayOfArrayOfByteMethod(byte[][] arrayOfArrayOfByteParam);
+	}
+
+	public class ArrayOfArrayOfByteService : IArrayOfArrayOfByteService
+	{
+		public string ArrayOfArrayOfByteMethod(byte[][] arrayOfArrayOfByteParam)
+		{
+			var ret = new StringBuilder();
+			ret.Append("[");
+			foreach (var array in arrayOfArrayOfByteParam)
+			{
+				ret.Append("[");
+				ret.Append(string.Join(",", array));
+				ret.Append("]");
+			}
+
+			ret.Append("]");
+			return ret.ToString();
+		}
+	}
+}
diff --git a/src/SoapCore.Tests/MessageContract/RawRequestSoap11Tests.cs b/src/SoapCore.Tests/MessageContract/RawRequestSoap11Tests.cs
index 15d48f32..ca8f6d59 100644
--- a/src/SoapCore.Tests/MessageContract/RawRequestSoap11Tests.cs
+++ b/src/SoapCore.Tests/MessageContract/RawRequestSoap11Tests.cs
@@ -134,6 +134,29 @@ public async Task Soap11MessageContractArrayOfIntParamWrapped()
 			}
 		}
 
+		[TestMethod]
+		public async Task SoapArrayOfArrayOfByte()
+		{
+			const string body = @"<soapenv:Envelope xmlns:soapenv=""http://schemas.xmlsoap.org/soap/envelope/"" xmlns:tem=""http://tempuri.org"">
+  <soapenv:Header/>
+  <soapenv:Body>
+	<tem:ArrayOfArrayOfByteMethod>
+	<tem:arrayOfArrayOfByteParam><tem:base64Binary>AQI=</tem:base64Binary><tem:base64Binary>AgM=</tem:base64Binary><tem:base64Binary>BAU=</tem:base64Binary><tem:base64Binary>BgU=</tem:base64Binary></tem:arrayOfArrayOfByteParam>
+	</tem:ArrayOfArrayOfByteMethod>
+  </soapenv:Body>
+</soapenv:Envelope>";
+
+			using (var host = CreateTestHost(typeof(ArrayOfArrayOfByteService)))
+			using (var client = host.CreateClient())
+			using (var content = new StringContent(body, Encoding.UTF8, "text/xml"))
+			using (var res = await host.CreateRequest("/Service.asmx").AddHeader("SOAPAction", @"""ArrayOfArrayOfByteMethod""").And(msg => msg.Content = content).PostAsync())
+			{
+				res.EnsureSuccessStatusCode();
+				var resultMessage = await res.Content.ReadAsStringAsync();
+				Assert.IsTrue(resultMessage.Contains("<ArrayOfArrayOfByteMethodResult>[[1,2][2,3][4,5][6,5]]</ArrayOfArrayOfByteMethodResult>"));
+			}
+		}
+
 		[TestMethod]
 		public async Task Soap11MessageContractComplexNotWrapped()
 		{
diff --git a/src/SoapCore/SerializerHelper.cs b/src/SoapCore/SerializerHelper.cs
index 69c30a5f..f30ed73a 100644
--- a/src/SoapCore/SerializerHelper.cs
+++ b/src/SoapCore/SerializerHelper.cs
@@ -43,7 +43,7 @@ public object DeserializeInputParameter(
 					switch (_serializer)
 					{
 						case SoapSerializer.XmlSerializer:
-							if (!parameterType.IsArray)
+							if (!parameterType.IsArray || parameterType.GetElementType()?.IsArray == true)
 							{
 								// case [XmlElement("parameter")] int parameter
 								// case [XmlArray("parameter")] int[] parameter