diff --git a/t-dll.cc b/t-dll.cc
index 06cd40220..e11692145 100644
--- a/t-dll.cc
+++ b/t-dll.cc
@@ -2374,8 +2374,7 @@ void dll_target::signal(const NetNet*net)
 	   object, or creating the sigs_ array if this is the first
 	   signal. */
       obj->scope_ = find_scope(des_, net->scope());
-      obj->file = perm_string::literal("N/A");
-      obj->lineno = 0;
+      FILE_NAME(obj, net);
       assert(obj->scope_);
 
       if (obj->scope_->nsigs_ == 0) {
diff --git a/t-dll.h b/t-dll.h
index 3bb1b9279..c409a6ce9 100644
--- a/t-dll.h
+++ b/t-dll.h
@@ -771,4 +771,10 @@ static inline void FILE_NAME(ivl_process_t net, const LineInfo*info)
       net->lineno = info->get_lineno();
 }
 
+static inline void FILE_NAME(ivl_signal_t net, const LineInfo*info)
+{
+      net->file = info->get_file();
+      net->lineno = info->get_lineno();
+}
+
 #endif