diff --git a/src/apps/snmp/LwipMibCompiler/LwipMibCompiler/Program.cs b/src/apps/snmp/LwipMibCompiler/LwipMibCompiler/Program.cs
index 6c22036c..008b5ecc 100644
--- a/src/apps/snmp/LwipMibCompiler/LwipMibCompiler/Program.cs
+++ b/src/apps/snmp/LwipMibCompiler/LwipMibCompiler/Program.cs
@@ -118,7 +118,7 @@ namespace LwipMibCompiler
 
 				SnmpMib snmpMib = new SnmpMib();
 				snmpMib.Oid = mibTreeNode.Entity.Value;
-				snmpMib.BaseOid = (int[])(object)MibTypesResolver.ResolveOid(mibTreeNode.Entity).GetOidValues();
+				snmpMib.BaseOid = MibTypesResolver.ResolveOid(mibTreeNode.Entity).GetOidValues();
 				snmpMib.Name = mibTreeNode.Entity.Name;
 
 				ProcessMibTreeNode(mibTreeNode, snmpMib);
diff --git a/src/apps/snmp/LwipMibCompiler/LwipSnmpCodeGeneration/SnmpMib.cs b/src/apps/snmp/LwipMibCompiler/LwipSnmpCodeGeneration/SnmpMib.cs
index f3c027ea..e54aa343 100644
--- a/src/apps/snmp/LwipMibCompiler/LwipSnmpCodeGeneration/SnmpMib.cs
+++ b/src/apps/snmp/LwipMibCompiler/LwipSnmpCodeGeneration/SnmpMib.cs
@@ -38,14 +38,14 @@ namespace LwipSnmpCodeGeneration
 {
 	public class SnmpMib : SnmpTreeNode
 	{
-		public int[] BaseOid { get; set; }
+		public uint[] BaseOid { get; set; }
 
 		public SnmpMib()
 			: base(null)
 		{
 		}
 
-		public SnmpMib(int[] baseOid)
+		public SnmpMib(uint[] baseOid)
 			: base(null)
 		{
 			this.BaseOid = baseOid;
@@ -64,7 +64,7 @@ namespace LwipSnmpCodeGeneration
 			
 			// create and add BaseOID declarations
 			StringBuilder boidInitialization = new StringBuilder("{");
-			foreach (int t in this.BaseOid)
+			foreach (uint t in this.BaseOid)
 			{
 				boidInitialization.Append(t);
 				boidInitialization.Append(",");