diff --git a/people/kbercic.md b/people/kbercic.md
index ccbc60ba00e218bbb2a59e90b0b802a3ad64b219..b6bcf0b85f0ccfd30c6dbefb780d78bced39dc72 100644
--- a/people/kbercic.md
+++ b/people/kbercic.md
@@ -7,6 +7,7 @@ pic: public/images/kbercic.jpg
 
 role: postdoc
 start_date: 2018-11
+end_date: 2020-10
 
 publink: auto
 
@@ -35,4 +36,4 @@ Math research data has interested me for several years, but I only got a chance
 to work on it full-time at KWARC.
 
 I started a [database](https://mathdb.mathhub.info/) of (a subset of) datasets 
-in mathematics and am implementing MathDataHub with Tom Wiesing.
\ No newline at end of file
+in mathematics and am implementing MathDataHub with Tom Wiesing.