diff --git a/src/main/java/org/mvplugins/multiverse/inventories/listeners/ShareHandler.java b/src/main/java/org/mvplugins/multiverse/inventories/listeners/ShareHandler.java
index 995fba97..822df3c0 100644
--- a/src/main/java/org/mvplugins/multiverse/inventories/listeners/ShareHandler.java
+++ b/src/main/java/org/mvplugins/multiverse/inventories/listeners/ShareHandler.java
@@ -1,8 +1,10 @@
 package org.mvplugins.multiverse.inventories.listeners;
 
 import com.dumptruckman.minecraft.util.Logging;
+import org.mvplugins.multiverse.external.jetbrains.annotations.Nullable;
 import org.mvplugins.multiverse.inventories.MultiverseInventories;
 import org.mvplugins.multiverse.inventories.ShareHandlingUpdater;
+import org.mvplugins.multiverse.inventories.config.InventoriesConfig;
 import org.mvplugins.multiverse.inventories.profile.PersistingProfile;
 import org.mvplugins.multiverse.inventories.event.ShareHandlingEvent;
 import org.mvplugins.multiverse.inventories.profile.PlayerProfile;
@@ -26,6 +28,7 @@ public abstract class ShareHandler {
 
     protected final MultiverseInventories inventories;
     protected final Player player;
+    protected final @Nullable InventoriesConfig inventoriesConfig;
     protected final WorldGroupManager worldGroupManager;
     protected final ProfileContainerStore worldProfileContainerStore;
     final AffectedProfiles affectedProfiles;
@@ -34,6 +37,7 @@ public abstract class ShareHandler {
         this.inventories = inventories;
         this.player = player;
         this.affectedProfiles = new AffectedProfiles();
+        this.inventoriesConfig = inventories.getServiceLocator().getService(InventoriesConfig.class);
         this.worldGroupManager = inventories.getServiceLocator().getService(WorldGroupManager.class);
         this.worldProfileContainerStore = inventories.getServiceLocator()
                 .getService(ProfileContainerStoreProvider.class)
diff --git a/src/main/java/org/mvplugins/multiverse/inventories/listeners/WorldChangeShareHandler.java b/src/main/java/org/mvplugins/multiverse/inventories/listeners/WorldChangeShareHandler.java
index 7f3a4ae3..d7902276 100644
--- a/src/main/java/org/mvplugins/multiverse/inventories/listeners/WorldChangeShareHandler.java
+++ b/src/main/java/org/mvplugins/multiverse/inventories/listeners/WorldChangeShareHandler.java
@@ -144,6 +144,11 @@ private boolean isPlayerBypassingChange(WorldGroup worldGroup) {
         }
 
         private boolean isFromWorldNotInToWorldGroup(WorldGroup worldGroup) {
+            if (inventoriesConfig.isDefaultingUngroupedWorlds()
+                    && !worldGroupManager.hasConfiguredGroup(fromWorld)
+                    && worldGroup.equals(worldGroupManager.getDefaultGroup())) {
+                return false;
+            }
             return !worldGroup.containsWorld(fromWorld);
         }
 
diff --git a/src/main/java/org/mvplugins/multiverse/inventories/profile/group/AbstractWorldGroupManager.java b/src/main/java/org/mvplugins/multiverse/inventories/profile/group/AbstractWorldGroupManager.java
index 1cf2d7ce..f5cbf060 100644
--- a/src/main/java/org/mvplugins/multiverse/inventories/profile/group/AbstractWorldGroupManager.java
+++ b/src/main/java/org/mvplugins/multiverse/inventories/profile/group/AbstractWorldGroupManager.java
@@ -2,6 +2,7 @@
 
 import com.dumptruckman.minecraft.util.Logging;
 import org.jvnet.hk2.annotations.Contract;
+import org.mvplugins.multiverse.core.world.LoadedMultiverseWorld;
 import org.mvplugins.multiverse.core.world.WorldManager;
 import org.mvplugins.multiverse.external.jetbrains.annotations.NotNull;
 import org.mvplugins.multiverse.inventories.MultiverseInventories;
@@ -20,6 +21,7 @@
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.stream.Collectors;
 
 /**
  * Abstract implementation of GroupManager with no persistence of groups.
@@ -86,8 +88,9 @@ public List<WorldGroup> getGroupsForWorld(String worldName) {
      * {@inheritDoc}
      */
     @Override
-    public boolean hasGroup(String worldName) {
-        return !getGroupsForWorld(worldName).isEmpty();
+    public boolean hasConfiguredGroup(String worldName) {
+        return groupNamesMap.values().stream()
+                .anyMatch(worldGroup -> worldGroup.getWorlds().contains(worldName));
     }
 
     /**
@@ -104,9 +107,6 @@ public void updateGroup(final WorldGroup worldGroup) {
         getGroupNames().put(worldGroup.getName().toLowerCase(), worldGroup);
     }
 
-    protected void persistGroup(final WorldGroup worldGroup) {
-    }
-
     /**
      * {@inheritDoc}
      */
@@ -134,24 +134,24 @@ public void createDefaultGroup() {
         if (getGroup(DEFAULT_GROUP_NAME) != null) {
             return;
         }
-        World defaultWorld = Bukkit.getWorlds().get(0);
+        World defaultWorld = worldManager.getDefaultWorld()
+                .flatMap(LoadedMultiverseWorld::getBukkitWorld)
+                .fold(() -> Bukkit.getWorlds().get(0), world -> world);
         World defaultNether = Bukkit.getWorld(defaultWorld.getName() + "_nether");
         World defaultEnd = Bukkit.getWorld(defaultWorld.getName() + "_the_end");
         WorldGroup worldGroup = new WorldGroup(this, profileContainerStoreProvider, DEFAULT_GROUP_NAME);
         worldGroup.getShares().mergeShares(Sharables.allOf());
         worldGroup.addWorld(defaultWorld);
-        StringBuilder worlds = new StringBuilder().append(defaultWorld.getName());
         if (defaultNether != null) {
             worldGroup.addWorld(defaultNether);
-            worlds.append(", ").append(defaultNether.getName());
         }
         if (defaultEnd != null) {
             worldGroup.addWorld(defaultEnd);
-            worlds.append(", ").append(defaultEnd.getName());
         }
         updateGroup(worldGroup);
         inventoriesConfig.save();
-        Logging.info("Created a default group for you containing all of your default worlds: " + worlds.toString());
+        Logging.info("Created a default group for you containing all of your default worlds: "
+                + String.join(", ", worldGroup.getWorlds()));
     }
 
     /**
diff --git a/src/main/java/org/mvplugins/multiverse/inventories/profile/group/WorldGroupManager.java b/src/main/java/org/mvplugins/multiverse/inventories/profile/group/WorldGroupManager.java
index 8527fe3b..a716e3db 100644
--- a/src/main/java/org/mvplugins/multiverse/inventories/profile/group/WorldGroupManager.java
+++ b/src/main/java/org/mvplugins/multiverse/inventories/profile/group/WorldGroupManager.java
@@ -4,7 +4,6 @@
 import org.jvnet.hk2.annotations.Contract;
 import org.mvplugins.multiverse.external.vavr.control.Try;
 
-import java.io.IOException;
 import java.util.List;
 
 /**
@@ -51,7 +50,7 @@ public sealed interface WorldGroupManager permits AbstractWorldGroupManager {
      * @param worldName Name of the world to check.
      * @return true if this world has one or more groups.
      */
-    boolean hasGroup(String worldName);
+    boolean hasConfiguredGroup(String worldName);
 
     /**
      * <p>Adds or updates a world group in Multiverse-Inventories.</p>