diff --git a/passes/cmds/stat.cc b/passes/cmds/stat.cc
index 0aa76467..ed4a0406 100644
--- a/passes/cmds/stat.cc
+++ b/passes/cmds/stat.cc
@@ -223,7 +223,7 @@ struct StatPass : public Pass {
 			data.log_data();
 		}
 
-		if (top_mod != NULL)
+		if (top_mod != NULL && GetSize(mod_stat) > 1)
 		{
 			log("\n");
 			log("=== design hierarchy ===\n");