diff --git a/src/main/java/xyz/etztech/minecraftmanager/listeners/CommandPreprocessListener.java b/src/main/java/xyz/etztech/minecraftmanager/listeners/CommandPreprocessListener.java
index df40975..736d6bc 100644
--- a/src/main/java/xyz/etztech/minecraftmanager/listeners/CommandPreprocessListener.java
+++ b/src/main/java/xyz/etztech/minecraftmanager/listeners/CommandPreprocessListener.java
@@ -79,7 +79,8 @@ public class CommandPreprocessListener implements Listener {
                 hasReadRules.add(sender.getUniqueId().toString());
             }
             else if ("apply".equalsIgnoreCase(base)) {
-                if(!hasReadRules.remove(sender.getUniqueId().toString())) {
+                if(!hasReadRules.contains(sender.getUniqueId().toString())) {
+                    event.setCancelled(true);
                     sender.spigot().sendMessage(new TextComponent(ChatColor.RED + "Make sure to check /rules before applying!"));
                 }
             }