1 files changed, 1 insertions, 0 deletions
diff --git a/ice40/pack.cc b/ice40/pack.cc
index 0a62a5ca..ce39c903 100644
--- a/ice40/pack.cc
+++ b/ice40/pack.cc
@@ -1421,6 +1421,7 @@ bool Arch::pack()
         ctx->assignArchInfo();
         constrain_chains(ctx);
         ctx->assignArchInfo();
+        ctx->attrs[ctx->id("step")] = "pack";
         archInfoToAttributes();
         log_info("Checksum: 0x%08x\n", ctx->checksum());
         return true;