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-rw-r--r--backends/ilang/ilang_backend.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/backends/ilang/ilang_backend.cc b/backends/ilang/ilang_backend.cc
index 6e3882d2d..3a418de3c 100644
--- a/backends/ilang/ilang_backend.cc
+++ b/backends/ilang/ilang_backend.cc
@@ -131,6 +131,8 @@ void ILANG_BACKEND::dump_wire(std::ostream &f, std::string indent, const RTLIL::
f << stringf("output %d ", wire->port_id);
if (wire->port_input && wire->port_output)
f << stringf("inout %d ", wire->port_id);
+ if (wire->is_signed)
+ f << stringf("signed ");
f << stringf("%s\n", wire->name.c_str());
}