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-rw-r--r--nexus/pack.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/nexus/pack.cc b/nexus/pack.cc
index a769c05a..bff50d89 100644
--- a/nexus/pack.cc
+++ b/nexus/pack.cc
@@ -883,7 +883,7 @@ struct NexusPacker
for (size_t i = 0; i < std::min<size_t>(clk_fanout.size(), available_globals); i++) {
NetInfo *net = ctx->nets.at(clk_fanout.at(i).second).get();
log_info(" promoting clock net '%s'\n", ctx->nameOf(net));
- insert_buffer(net, id_DCC, "glb_clk", id_CLKI, id_CLKO, [](const PortRef &port) { return true; });
+ insert_buffer(net, id_DCC, "glb_clk", id_CLKI, id_CLKO, [&](const PortRef &port) { return port.cell->type != id_DCC; });
}
}