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-rw-r--r--frontend/json/jsonparse.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/frontend/json/jsonparse.cc b/frontend/json/jsonparse.cc
index 23367aca..92590902 100644
--- a/frontend/json/jsonparse.cc
+++ b/frontend/json/jsonparse.cc
@@ -422,7 +422,7 @@ void json_import_ports(Design *design, const string &modname,
// Pick a name for this port
if (is_bus)
this_port.name =
- port_info.name + '[' + std::to_string(index) + ']';
+ port_info.name.str() + "[" + std::to_string(index) + "]";
else
this_port.name = port_info.name;
this_port.type = port_info.type;