diff --git a/gnu/packages/monitoring.scm b/gnu/packages/monitoring.scm
index a6d45fe597..6647d3bbc3 100644
--- a/gnu/packages/monitoring.scm
+++ b/gnu/packages/monitoring.scm
@@ -195,7 +195,7 @@ etc. via a Web interface.  Features include:
     (synopsis "Distributed monitoring solution (client-side agent)")
     (description "This package provides a distributed monitoring
 solution (client-side agent)")
-    (license license:gpl2)
+    (license license:gpl2+)
     (properties
      '((release-monitoring-url . "https://www.zabbix.com/download_sources")
        (upstream-name . "zabbix")))))