diff --git a/nixos/modules/services/web-servers/tomcat.nix b/nixos/modules/services/web-servers/tomcat.nix
index c1166b69768..acaa66c0d39 100644
--- a/nixos/modules/services/web-servers/tomcat.nix
+++ b/nixos/modules/services/web-servers/tomcat.nix
@@ -352,7 +352,7 @@ in
           ${pkgs.su}/bin/su -s ${pkgs.bash}/bin/sh ${cfg.user} -c 'CATALINA_BASE=${cfg.baseDir} JAVA_HOME=${cfg.jdk} JAVA_OPTS="${cfg.javaOpts}" CATALINA_OPTS="${cfg.catalinaOpts}" ${tomcat}/bin/startup.sh'
       '';
 
-      postStop = ''
+      preStop = ''
         echo "Stopping tomcat..."
         CATALINA_BASE=${cfg.baseDir} JAVA_HOME=${cfg.jdk} ${pkgs.su}/bin/su -s ${pkgs.bash}/bin/sh ${cfg.user} -c ${tomcat}/bin/shutdown.sh
       '';