diff --git a/runtime/src/bpf_map/userspace/map_in_maps.hpp b/runtime/src/bpf_map/userspace/map_in_maps.hpp
index fc758170..06024773 100644
--- a/runtime/src/bpf_map/userspace/map_in_maps.hpp
+++ b/runtime/src/bpf_map/userspace/map_in_maps.hpp
@@ -26,7 +26,7 @@ class array_map_of_maps_impl : public array_map_impl {
 	{
 		auto key_val = array_map_impl::elem_lookup(key);
 		int map_id = *(int *)key_val;
-		return (void *)((u_int64_t)map_id << 32);
+		return (void *)((u_int64_t)map_id);
 	}
 };