diff --git a/pkgs/servers/monitoring/plugins/labs_consol_de.nix b/pkgs/servers/monitoring/plugins/labs_consol_de.nix
index b09990e3120..a703c80b61a 100644
--- a/pkgs/servers/monitoring/plugins/labs_consol_de.nix
+++ b/pkgs/servers/monitoring/plugins/labs_consol_de.nix
@@ -14,7 +14,7 @@ let
     inherit pname version;
 
     src = fetchurl {
-      url = "https://labs.consol.de/assets/downloads/nagios/${pname}-${version}.tar.bz";
+      url = "https://labs.consol.de/assets/downloads/nagios/${pname}-${version}.tar.gz";
       inherit sha256;
     };