diff --git a/sql/people.sql b/sql/people.sql
index 951f256..59872db 100644
--- a/sql/people.sql
+++ b/sql/people.sql
@@ -61,6 +61,15 @@ set
 	bbrefID = nullif(bbrefid, ''),
 	retroID = nullif(retroid, '');
 
+-- we don't know exactly when Alfredo Cabrera died
+update people
+set deathMonth = null
+where deathMonth = 0;
+
+update people
+set deathDay = null
+where deathDay = 0;
+
 update people
 set throws = 'B'
 where throws = 'S';