diff --git a/frontends/aiger/aigerparse.cc b/frontends/aiger/aigerparse.cc
index 833c0023b..d2657c9da 100644
--- a/frontends/aiger/aigerparse.cc
+++ b/frontends/aiger/aigerparse.cc
@@ -900,6 +900,7 @@ void AigerReader::post_process()
 					else {
 						wire->port_output = false;
 						module->connect(wire, existing);
+						wire = existing;
 					}
 				}
 				else if (index > 0) {