diff --git a/src/systemc/ext/channel/sc_out.hh b/src/systemc/ext/channel/sc_out.hh
index 53bd255601..37e9a59829 100644
--- a/src/systemc/ext/channel/sc_out.hh
+++ b/src/systemc/ext/channel/sc_out.hh
@@ -62,34 +62,34 @@ class sc_out : public sc_inout<T>
     sc_out(const char *name, sc_out<T> &parent) : sc_inout<T>(name, parent) {}
 
     sc_out<T> &
-    operator = (const T &)
+    operator = (const T &t)
     {
-        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
-        return *(sc_out<T> *)nullptr;
+        sc_inout<T>::operator = (t);
+        return *this;
     }
     sc_out<T> &
-    operator = (const sc_signal_in_if<T> &)
+    operator = (const sc_signal_in_if<T> &c)
     {
-        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
-        return *(sc_out<T> *)nullptr;
+        sc_inout<T>::operator = (c);
+        return *this;
     }
     sc_out<T> &
-    operator = (const sc_port<sc_signal_in_if<T>, 1> &)
+    operator = (const sc_port<sc_signal_in_if<T>, 1> &c)
     {
-        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
-        return *(sc_out<T> *)nullptr;
+        sc_inout<T>::operator = (c);
+        return *this;
     }
     sc_out<T> &
-    operator = (const sc_port<sc_signal_inout_if<T>, 1> &)
+    operator = (const sc_port<sc_signal_inout_if<T>, 1> &c)
     {
-        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
-        return *(sc_out<T> *)nullptr;
+        sc_inout<T>::operator = (c);
+        return *this;
     }
     sc_out<T> &
-    operator = (const sc_out<T> &)
+    operator = (const sc_out<T> &c)
     {
-        sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
-        return *(sc_out<T> *)nullptr;
+        sc_inout<T>::operator = (c);
+        return *this;
     }
 
     virtual const char *kind() const { return "sc_out"; }