diff --git a/src/lib/blob_route.hpp b/src/lib/blob_route.hpp
index b2b8b0e3..0fb488c8 100644
--- a/src/lib/blob_route.hpp
+++ b/src/lib/blob_route.hpp
@@ -25,7 +25,7 @@ struct formatter< homeobject::BlobRoute > {
 
     template < typename FormatContext >
     auto format(homeobject::BlobRoute const& r, FormatContext& ctx) {
-        return format_to(ctx.out(), "{}:{:012x}", r.shard, r.blob);
+        return format_to(ctx.out(), "{}:{}:{:012x}", (r.shard >> 48), (r.shard & (UINT64_MAX >> 16)), r.blob);
     }
 };
 } // namespace fmt