diff --git a/paper/paper.bib b/paper/paper.bib
index 6bfe5739..28b1e603 100644
--- a/paper/paper.bib
+++ b/paper/paper.bib
@@ -174,6 +174,6 @@ @article{roth2010vba
   year = {2010},
   volume = 47,
   issue = 2,
-  pages = 130--140,
+  pages = {130--140},
   doi = {10.1179/000870409X124887534553372}
-  }
\ No newline at end of file
+  }