diff --git a/glicid/packages/chemistry.scm b/glicid/packages/chemistry.scm
index e7071cb..3f7c6bf 100644
--- a/glicid/packages/chemistry.scm
+++ b/glicid/packages/chemistry.scm
@@ -1,9 +1,8 @@
+#!
+
 (define-module (glicid packages chemistry)
   #:use-module (guix packages)
   #:use-module (guix download)
-
-#:use-module (guix packages)
-#:use-module (guix download)
 #:use-module (guix gexp)
 #:use-module (guix utils)
 #:use-module (guix build-system cmake)
@@ -23,11 +22,13 @@
 #:use-module (gnu packages sphinx)
 #:use-module (gnu packages check)
 #:use-module (gnu packages gcc)
-#:use-module (non-free cuda))
+#:use-module (non-free cuda)
+)
 
 (define-public gromacs+cuda
   (package
     (inherit gromacs)
+    (name "gromacs+cuda")
     (arguments
      (list #:configure-flags
            #~(list "-DGMX_DEVELOPER_BUILD=on"     ; Needed to run tests
@@ -77,3 +78,4 @@
               (append cuda hwloc))))
 )
 
+!#
\ No newline at end of file
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")))))
+
 
  )
 )
-)
-)
+
+