diff --git a/AnarchyExploitFixesLegacy/src/main/java/me/moomoo/anarchyexploitfixes/modules/patches/CommandSign.java b/AnarchyExploitFixesLegacy/src/main/java/me/moomoo/anarchyexploitfixes/modules/patches/CommandSign.java
index ae28e812a..f86269a60 100755
--- a/AnarchyExploitFixesLegacy/src/main/java/me/moomoo/anarchyexploitfixes/modules/patches/CommandSign.java
+++ b/AnarchyExploitFixesLegacy/src/main/java/me/moomoo/anarchyexploitfixes/modules/patches/CommandSign.java
@@ -1,5 +1,6 @@
 package me.moomoo.anarchyexploitfixes.modules.patches;
 
+import com.cryptomorin.xseries.XMaterial;
 import com.cryptomorin.xseries.XTag;
 import me.moomoo.anarchyexploitfixes.AnarchyExploitFixes;
 import me.moomoo.anarchyexploitfixes.modules.AnarchyExploitFixesModule;
@@ -11,17 +12,18 @@
 import org.bukkit.event.player.PlayerInteractEvent;
 
 import java.util.HashSet;
+import java.util.stream.Collectors;
 
 public class CommandSign implements AnarchyExploitFixesModule, Listener {
 
-    private final HashSet<Material> signs = new HashSet<>();
+    private final HashSet<Material> signs;
 
     public CommandSign() {
         shouldEnable();
-        XTag.SIGNS.getValues().forEach(xMaterial -> {
-            Material signType = xMaterial.parseMaterial();
-            if (signType != null) this.signs.add(signType);
-        });
+        this.signs = XTag.SIGNS.getValues().stream()
+                .filter(XMaterial::isSupported)
+                .map(XMaterial::parseMaterial)
+                .collect(Collectors.toCollection(HashSet::new));
         AnarchyExploitFixes.getConfiguration().addComment("patches.prevent-command-sign",
                 "Will have the side effect of players being unable to dye signs in newer versions.");
     }
@@ -47,7 +49,7 @@ public boolean shouldEnable() {
         return AnarchyExploitFixes.getConfiguration().getBoolean("patches.prevent-command-sign", false);
     }
 
-    @EventHandler(priority = EventPriority.NORMAL, ignoreCancelled = true)
+    @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
     private void onInteract(PlayerInteractEvent event) {
         if (!event.getAction().equals(Action.RIGHT_CLICK_BLOCK)) return;
         if (signs.contains(event.getClickedBlock().getType())) {