diff --git a/Lidgren.Network/NetBuffer.Peek.cs b/Lidgren.Network/NetBuffer.Peek.cs
index 7c27e26..cf5758f 100644
--- a/Lidgren.Network/NetBuffer.Peek.cs
+++ b/Lidgren.Network/NetBuffer.Peek.cs
@@ -237,7 +237,7 @@ namespace Lidgren.Network
 			else
 			{
 				retval = NetBitWriter.ReadUInt32(m_data, 32, m_readPosition);
-				retval |= NetBitWriter.ReadUInt32(m_data, numberOfBits - 32, m_readPosition) << 32;
+				retval |= (UInt64)NetBitWriter.ReadUInt32(m_data, numberOfBits - 32, m_readPosition + 32) << 32;
 			}
 			return retval;
 		}
diff --git a/Lidgren.Network/NetBuffer.Read.cs b/Lidgren.Network/NetBuffer.Read.cs
index 84c3e7c..4a636a0 100644
--- a/Lidgren.Network/NetBuffer.Read.cs
+++ b/Lidgren.Network/NetBuffer.Read.cs
@@ -315,7 +315,7 @@ namespace Lidgren.Network
 			else
 			{
 				retval = NetBitWriter.ReadUInt32(m_data, 32, m_readPosition);
-				retval |= NetBitWriter.ReadUInt32(m_data, numberOfBits - 32, m_readPosition) << 32;
+				retval |= (UInt64)NetBitWriter.ReadUInt32(m_data, numberOfBits - 32, m_readPosition + 32) << 32;
 			}
 			m_readPosition += numberOfBits;
 			return retval;