diff --git a/worldguard-legacy/src/main/java/com/sk89q/worldguard/bukkit/listener/WorldGuardPlayerListener.java b/worldguard-legacy/src/main/java/com/sk89q/worldguard/bukkit/listener/WorldGuardPlayerListener.java
index d198f9a1..38d67b3b 100644
--- a/worldguard-legacy/src/main/java/com/sk89q/worldguard/bukkit/listener/WorldGuardPlayerListener.java
+++ b/worldguard-legacy/src/main/java/com/sk89q/worldguard/bukkit/listener/WorldGuardPlayerListener.java
@@ -78,7 +78,7 @@
 public class WorldGuardPlayerListener implements Listener {
 
     private static final Logger log = Logger.getLogger(WorldGuardPlayerListener.class.getCanonicalName());
-    private static final Pattern opPattern = Pattern.compile("^/(?:minecraft:)(?:bukkit:)?op(?:\\s.*)?$", Pattern.CASE_INSENSITIVE);
+    private static final Pattern opPattern = Pattern.compile("^/(?:minecraft:)?(?:bukkit:)?(?:de)?op(?:\\s.*)?$", Pattern.CASE_INSENSITIVE);
     private WorldGuardPlugin plugin;
 
     /**
@@ -487,7 +487,7 @@ public void onPlayerCommandPreprocess(PlayerCommandPreprocessEvent event) {
 
         if (cfg.blockInGameOp) {
             if (opPattern.matcher(event.getMessage()).matches()) {
-                player.sendMessage(ChatColor.RED + "/op can only be used in console (as set by a WG setting).");
+                player.sendMessage(ChatColor.RED + "/op and /deop can only be used in console (as set by a WG setting).");
                 event.setCancelled(true);
                 return;
             }