diff --git a/src/systemc/core/port.hh b/src/systemc/core/port.hh
index eb8dbfef31..bf3b73a84a 100644
--- a/src/systemc/core/port.hh
+++ b/src/systemc/core/port.hh
@@ -144,7 +144,10 @@ class Port
     void
     bind(::sc_core::sc_interface *interface)
     {
-        bindings.push_back(new Binding(interface));
+        if (bindings.empty())
+            addInterface(interface);
+        else
+            bindings.push_back(new Binding(interface));
     }
 
     void