diff --git a/srsenb/hdr/stack/mac/nr/sched_nr_grant_allocator.h b/srsenb/hdr/stack/mac/nr/sched_nr_grant_allocator.h
index bb7ad0235..931934f94 100644
--- a/srsenb/hdr/stack/mac/nr/sched_nr_grant_allocator.h
+++ b/srsenb/hdr/stack/mac/nr/sched_nr_grant_allocator.h
@@ -124,7 +124,7 @@ private:
   bwp_res_grid&         bwp_grid;
 
   slot_point     pdcch_slot;
-  slot_ue_map_t* slot_ues;
+  slot_ue_map_t* slot_ues = nullptr;
 };
 
 } // namespace sched_nr_impl