diff --git a/elab_sig.cc b/elab_sig.cc
index c060f9bdc..345fd8993 100644
--- a/elab_sig.cc
+++ b/elab_sig.cc
@@ -1074,6 +1074,7 @@ NetNet* PWire::elaborate_sig(Design*des, NetScope*scope) const
 	      // declaration, which is the dimensions [null:<nil>].
 	    if (use_ridx==0 && dynamic_cast<PENull*>(use_lidx)) {
 		  netvector_t*vec = new netvector_t(packed_dimensions, data_type_);
+		  vec->set_signed(get_signed());
 		  packed_dimensions.clear();
 		  ivl_assert(*this, netdarray==0);
 		  netdarray = new netqueue_t(vec);
diff --git a/netqueue.h b/netqueue.h
index af2de0a1c..85526910e 100644
--- a/netqueue.h
+++ b/netqueue.h
@@ -1,7 +1,7 @@
 #ifndef IVL__netqueue_H
 #define IVL__netqueue_H
 /*
- * Copyright (c) 2014 Stephen Williams (steve@icarus.com)
+ * Copyright (c) 2014-2015 Stephen Williams (steve@icarus.com)
  *
  *    This source code is free software; you can redistribute it
  *    and/or modify it in source code form under the terms of the GNU
@@ -38,6 +38,9 @@ class netqueue_t : public netdarray_t {
 	// IVL_VT_QUEUE for queues.
       ivl_variable_type_t base_type() const;
 
+	// A queue may have a type that is signed.
+      inline bool get_signed() const { return element_type()->get_signed(); }
+
       std::ostream& debug_dump(std::ostream&) const;
 
     private: