diff --git a/gnu/services/monitoring.scm b/gnu/services/monitoring.scm
index a331bf1117..428371f2cf 100644
--- a/gnu/services/monitoring.scm
+++ b/gnu/services/monitoring.scm
@@ -647,6 +647,9 @@ (define (zabbix-front-end-config config)
 // Schema name. Used for IBM DB2 and PostgreSQL.
 $DB['SCHEMA'] = '';
 
+// Use IEEE754 compatible value range for 64-bit Numeric (float) history values.
+$DB['DOUBLE_IEEE754'] = true;
+
 $ZBX_SERVER      = '" zabbix-host "';
 $ZBX_SERVER_PORT = '" (number->string zabbix-port) "';
 $ZBX_SERVER_NAME = '';