diff --git a/glicid/packages/monitoring.scm b/glicid/packages/monitoring.scm
index 8974d04..82c00d5 100644
--- a/glicid/packages/monitoring.scm
+++ b/glicid/packages/monitoring.scm
@@ -19,7 +19,15 @@
              (version-major+minor version) "/zabbix-" version ".tar.gz"))
        (sha256
         (base32 "0d9aws19rvmsrhkvihnwmr4r1drhl20v9lppdw5wjacp7377xqdy"))
-))))
+       (modules '((guix build utils)))
+       (snippet
+        '(substitute* '("src/zabbix_proxy/proxy.c"
+                        "src/zabbix_server/server.c")
+           ;; 'fping' must be setuid, so look for it in the usual location.
+           (("/usr/sbin/fping6?")
+            "/run/setuid-programs/fping")))))
+
+))
 
 
 (define-public zabbix-agent2
@@ -35,7 +43,15 @@
              (version-major+minor version) "/zabbix-" version ".tar.gz"))
        (sha256
         (base32 "0d9aws19rvmsrhkvihnwmr4r1drhl20v9lppdw5wjacp7377xqdy"))
-))))
+       (modules '((guix build utils)))
+       (snippet
+        '(substitute* '("src/zabbix_proxy/proxy.c"
+                        "src/zabbix_server/server.c")
+           ;; 'fping' must be setuid, so look for it in the usual location.
+           (("/usr/sbin/fping6?")
+            "/run/setuid-programs/fping")))))
+
+))
 
 
 (define-public zabbix-server
@@ -51,8 +67,16 @@
              (version-major+minor version) "/zabbix-" version ".tar.gz"))
        (sha256
 	(base32 "0d9aws19rvmsrhkvihnwmr4r1drhl20v9lppdw5wjacp7377xqdy"))
+      (modules '((guix build utils)))
+       (snippet
+        '(substitute* '("src/zabbix_proxy/proxy.c"
+                        "src/zabbix_server/server.c")
+           ;; 'fping' must be setuid, so look for it in the usual location.
+           (("/usr/sbin/fping6?")
+            "/run/setuid-programs/fping")))))
+
 
  )
 )
-)
-)
+
+