diff --git a/src/main/java/org/mvplugins/multiverse/core/world/WorldConfig.java b/src/main/java/org/mvplugins/multiverse/core/world/WorldConfig.java
index e67ae6b54..a768d4bd3 100644
--- a/src/main/java/org/mvplugins/multiverse/core/world/WorldConfig.java
+++ b/src/main/java/org/mvplugins/multiverse/core/world/WorldConfig.java
@@ -49,7 +49,7 @@ final class WorldConfig {
             @NotNull ConfigurationSection configSection,
             @NotNull MultiverseCore multiverseCore) {
         this.keyOrName = keyOrName;
-        this.configNodes = new WorldConfigNodes(multiverseCore);
+        this.configNodes = new WorldConfigNodes(multiverseCore, keyOrName);
         this.configHandle = MemoryConfigurationHandle.builder(configSection, configNodes.getNodes())
                 .logger(Logging.getLogger())
                 .migrator(migrator())
diff --git a/src/main/java/org/mvplugins/multiverse/core/world/WorldConfigNodes.java b/src/main/java/org/mvplugins/multiverse/core/world/WorldConfigNodes.java
index 6318c942d..fca89d685 100644
--- a/src/main/java/org/mvplugins/multiverse/core/world/WorldConfigNodes.java
+++ b/src/main/java/org/mvplugins/multiverse/core/world/WorldConfigNodes.java
@@ -28,6 +28,7 @@
 import org.mvplugins.multiverse.core.utils.MaterialConverter;
 import org.mvplugins.multiverse.core.utils.text.ChatTextFormatter;
 import org.mvplugins.multiverse.core.world.helpers.EnforcementHandler;
+import org.mvplugins.multiverse.core.world.key.WorldKeyOrName;
 import org.mvplugins.multiverse.core.world.location.NullSpawnLocation;
 import org.mvplugins.multiverse.core.world.location.SpawnLocation;
 import org.mvplugins.multiverse.core.world.entity.EntitySpawnConfig;
@@ -42,12 +43,14 @@ final class WorldConfigNodes {
     private WorldManager worldManager;
     private EnforcementHandler enforcementHandler;
     private CoreConfig config;
+    private WorldKeyOrName keyOrName;
     private MultiverseWorld world = null;
 
-    WorldConfigNodes(@NotNull MultiverseCore multiverseCore) {
+    WorldConfigNodes(@NotNull MultiverseCore multiverseCore, @NotNull WorldKeyOrName keyOrName) {
         this.worldManager = multiverseCore.getServiceLocator().getService(WorldManager.class);
         this.enforcementHandler = multiverseCore.getServiceLocator().getService(EnforcementHandler.class);
         this.config = multiverseCore.getServiceLocator().getService(CoreConfig.class);
+        this.keyOrName = keyOrName;
     }
 
     MultiverseWorld getWorld() {
@@ -91,10 +94,13 @@ private <T> ConfigNode<T> node(ConfigNode.Builder<T, ?> nodeBuilder) {
     final ConfigNode<String> alias = node(ConfigNode.builder("alias", String.class)
             .defaultValue("")
             .onLoadAndChange((oldValue, newValue) -> {
+                worldManager.getWorldStore().changeAlias(
+                        ChatTextFormatter.removeColor(oldValue),
+                        ChatTextFormatter.removeColor(newValue),
+                        keyOrName.usableKey()
+                );
                 if (world == null) return;
                 world.updateColourlessAlias();
-                worldManager.getWorldStore().changeAlias(
-                        ChatTextFormatter.removeColor(oldValue), ChatTextFormatter.removeColor(newValue), world);
             }));
 
     final ConfigNode<Boolean> allowAdvancementGrant = node(ConfigNode.builder("allow-advancement-grant", Boolean.class)
diff --git a/src/main/java/org/mvplugins/multiverse/core/world/WorldStore.java b/src/main/java/org/mvplugins/multiverse/core/world/WorldStore.java
index 41f809580..ce8cb7e96 100644
--- a/src/main/java/org/mvplugins/multiverse/core/world/WorldStore.java
+++ b/src/main/java/org/mvplugins/multiverse/core/world/WorldStore.java
@@ -15,6 +15,7 @@
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Objects;
 
@@ -119,16 +120,16 @@ void removeLoadedWorld(LoadedMultiverseWorld world) {
         unloadedList.add(unloadedMap.get(world.getKey().toString()));
     }
 
-    void changeAlias(@Nullable String oldAlias, @Nullable String newAlias, @NotNull MultiverseWorld world) {
+    void changeAlias(@Nullable String oldAlias, @Nullable String newAlias, @NotNull NamespacedKey worldKey) {
         if (Objects.equals(oldAlias, newAlias)) {
             // nothing changed, ignore
             return;
         }
         if (!Strings.isNullOrEmpty(oldAlias)) {
-            aliasMap.remove(oldAlias, world.getKey().toString());
+            aliasMap.remove(oldAlias.toLowerCase(Locale.ROOT), worldKey.toString());
         }
         if (!Strings.isNullOrEmpty(newAlias)) {
-            aliasMap.put(newAlias, world.getKey().toString());
+            aliasMap.put(newAlias.toLowerCase(Locale.ROOT), worldKey.toString());
         }
     }
 
@@ -263,7 +264,7 @@ String translateAlias(@Nullable String worldNameOrAlias) {
             return null;
         }
         //TODO: Not sure if we should fail if there is multiple alias of the same name, but for now just return the first one
-        return aliasMap.get(worldNameOrAlias).stream()
+        return aliasMap.get(worldNameOrAlias.toLowerCase(Locale.ROOT)).stream()
                 .findFirst()
                 .orElse(worldNameOrAlias);
     }