diff --git a/tgt-vhdl/scope.cc b/tgt-vhdl/scope.cc
index 5b15d60749..98426bc361 100644
--- a/tgt-vhdl/scope.cc
+++ b/tgt-vhdl/scope.cc
@@ -366,8 +366,13 @@ static void declare_signals(vhdl_entity *ent, ivl_scope_t scope)
             vhdl_decl *decl = new vhdl_signal_decl(name.c_str(), sig_type);
 
             ostringstream ss;
-            ss << "Declared at " << ivl_signal_file(sig) << ":"
-               << ivl_signal_lineno(sig);
+            if (ivl_signal_local(sig)) {
+               ss << "Temporary created at " << ivl_signal_file(sig) << ":"
+                  << ivl_signal_lineno(sig);
+            } else {
+               ss << "Declared at " << ivl_signal_file(sig) << ":"
+                  << ivl_signal_lineno(sig);
+            }
             decl->set_comment(ss.str().c_str());
             
             ent->get_arch()->get_scope()->add_decl(decl);