diff --git a/csrankings-x.csv b/csrankings-x.csv
index 2d6f35e930..c1b11d2e80 100644
--- a/csrankings-x.csv
+++ b/csrankings-x.csv
@@ -428,7 +428,7 @@ Xueyan Tang,Nanyang Technological University,http://www.ntu.edu.sg/home/asxytang
 Xuguang Lan,Xi'an Jiaotong University,http://gr.xjtu.edu.cn/web/zeuslan,NOSCHOLARPAGE
 Xuhong Zhang 0001,Indiana University,https://luddy.indiana.edu/contact/profile/?Xuhong_Zhang,NOSCHOLARPAGE
 Xuhua Ding,Singapore Management University,https://www.smu.edu.sg/faculty/profile/9612/DING-XuHua,zUEUsv4AAAAJ
-Xujie Si,McGill University,https://www.cs.mcgill.ca/~xsi,Ru-jrx4AAAAJ
+Xujie Si,University of Toronto,https://www.cs.toronto.edu/~six/,Ru-jrx4AAAAJ
 Xukai Zou,IUPUI,http://cs.iupui.edu/~xkzou,NOSCHOLARPAGE
 Xukun Shen,Beihang University,http://scse.buaa.edu.cn/info/1078/2650.htm,NOSCHOLARPAGE
 Xulong Tang,University of Pittsburgh,http://xzt102.github.io,jmjRUi4AAAAJ