diff --git a/src/internet/model/tcp-l4-protocol.cc b/src/internet/model/tcp-l4-protocol.cc
index 4270f45d0..5b060a9d1 100644
--- a/src/internet/model/tcp-l4-protocol.cc
+++ b/src/internet/model/tcp-l4-protocol.cc
@@ -296,7 +296,7 @@ TcpL4Protocol::ReceiveIcmp (Ipv4Address icmpSource, uint8_t icmpTtl,
                             Ipv4Address payloadSource,Ipv4Address payloadDestination,
                             const uint8_t payload[8])
 {
-  NS_LOG_FUNCTION (this << icmpSource << icmpTtl << icmpType << icmpCode << icmpInfo
+  NS_LOG_FUNCTION (this << icmpSource << (uint16_t) icmpTtl << (uint16_t) icmpType << (uint16_t) icmpCode << icmpInfo
                         << payloadSource << payloadDestination);
   uint16_t src, dst;
   src = payload[0] << 8;
@@ -323,7 +323,7 @@ TcpL4Protocol::ReceiveIcmp (Ipv6Address icmpSource, uint8_t icmpTtl,
                             Ipv6Address payloadSource,Ipv6Address payloadDestination,
                             const uint8_t payload[8])
 {
-  NS_LOG_FUNCTION (this << icmpSource << icmpTtl << icmpType << icmpCode << icmpInfo
+  NS_LOG_FUNCTION (this << icmpSource << (uint16_t) icmpTtl << (uint16_t) icmpType << (uint16_t) icmpCode << icmpInfo
                         << payloadSource << payloadDestination);
   uint16_t src, dst;
   src = payload[0] << 8;