diff --git a/src/main/resources/kingdom/spanner/shard-measurements-by-continuation-token.sql b/src/main/resources/kingdom/spanner/shard-measurements-by-continuation-token.sql
index c958f8b1835..aa9863a0fac 100644
--- a/src/main/resources/kingdom/spanner/shard-measurements-by-continuation-token.sql
+++ b/src/main/resources/kingdom/spanner/shard-measurements-by-continuation-token.sql
@@ -21,7 +21,7 @@ START BATCH DDL;
 
 ALTER TABLE Measurements
 ADD COLUMN MeasurementIndexShardId INT64 NOT NULL AS (
-  MOD(FARM_FINGERPRINT(CAST(MeasurementId AS STRING)), 64)
+  ABS(MOD(FARM_FINGERPRINT(CAST(MeasurementId AS STRING)), 64))
 ) STORED;
 
 DROP INDEX MeasurementsByContinuationToken;