diff --git a/paper/paper.bib b/paper/paper.bib
index 577ba467..43cc48e3 100644
--- a/paper/paper.bib
+++ b/paper/paper.bib
@@ -41,7 +41,7 @@ @article{lee2018dart
   pages={500},
   year={2018},
   publisher={The Open Journal},
-  doi={https://doi.org/10.21105/joss.00500}
+  doi={10.21105/joss.00500}
 }
 
 @article{lee2020learning,