diff --git a/_content/articles/culture-and-point-of-view_nisbett-richard-e-et-al.md b/_content/articles/culture-and-point-of-view_nisbett-richard-e-et-al.md
index 74b4567833..11e83d7697 100644
--- a/_content/articles/culture-and-point-of-view_nisbett-richard-e-et-al.md
+++ b/_content/articles/culture-and-point-of-view_nisbett-richard-e-et-al.md
@@ -3,7 +3,7 @@ title: "Culture and Point of View"
 authors:
   - "Richard E. Nisbett"
   - "Takahiko Masuda"
-external_url: "http://deepblue.lib.umich.edu/bitstream/2027.42/91926/1/culture_point_view.pdf"
+external_url: "https://deepblue.lib.umich.edu/bitstream/2027.42/91926/1/culture_point_view.pdf"
 source_url: "https://doi.org/10.1073/pnas.1934527100"
 drive_links:
   - "https://drive.google.com/file/d/12Uvgqpv1fgiH-Wg9c0_w_8iki2FF2-Xb/view?usp=drivesdk"