diff --git a/examples/fed-filter.cc b/examples/fed-filter.cc
index b0bdd4b..92184a1 100644
--- a/examples/fed-filter.cc
+++ b/examples/fed-filter.cc
@@ -16,6 +16,7 @@ SPDX-License-Identifier: BSD-3-Clause
 #include <stdexcept>
 #include "helics/core/helicsCLI11.hpp"
 #include "helics/core/helicsVersion.hpp"
+#include "helics/application_api/timeOperations.hpp"
 
 int main (int argc, char *argv[])
 {
diff --git a/model/helics-application.cc b/model/helics-application.cc
index b113c97..6384f45 100644
--- a/model/helics-application.cc
+++ b/model/helics-application.cc
@@ -378,7 +378,7 @@ HelicsApplication::Send (std::string dest, helics::Time time, std::unique_ptr<he
         << to->GetName()
         << "' at address "
         << address.GetIpv4()
-        << " port "
+        << " port '"
         << address.GetPort()
         << "' uid '"
         << p->GetUid () <<"'");
@@ -409,7 +409,7 @@ HelicsApplication::Send (std::string dest, helics::Time time, std::unique_ptr<he
         << to->GetName()
         << "' at address "
         << address.GetIpv6()
-        << " port "
+        << " port '"
         << address.GetPort()
         << "' uid '"
         << p->GetUid () <<"'");
@@ -517,7 +517,7 @@ HelicsApplication::HandleRead (Ptr<Socket> socket)
             << size
             << " bytes at address "
             << InetSocketAddress::ConvertFrom (from).GetIpv4 ()
-            << " port "
+            << " port '"
             << InetSocketAddress::ConvertFrom (from).GetPort ()
             << "' sdata '"
             << sdata
@@ -546,7 +546,7 @@ HelicsApplication::HandleRead (Ptr<Socket> socket)
             << size
             << " bytes at address "
             << Inet6SocketAddress::ConvertFrom (from).GetIpv6 ()
-            << " port "
+            << " port '"
             << Inet6SocketAddress::ConvertFrom (from).GetPort ()
             << "' sdata '"
             << sdata