diff --git a/src/vt-tv/api/phase_work.h b/src/vt-tv/api/phase_work.h
index 581f0b30c..3cd4906fd 100644
--- a/src/vt-tv/api/phase_work.h
+++ b/src/vt-tv/api/phase_work.h
@@ -296,7 +296,7 @@ struct PhaseWork : WorkDistribution {
 
 private:
   /// LB iterations for this phase
-  std::unordered_map<LBIterationType, LBIteration> lb_iters_;
+  std::map<LBIterationType, LBIteration> lb_iters_;
 };