diff --git a/MMOCore-API/src/main/java/net/Indyuce/mmocore/MMOCore.java b/MMOCore-API/src/main/java/net/Indyuce/mmocore/MMOCore.java
index 6cc0b87b..93e4e5da 100644
--- a/MMOCore-API/src/main/java/net/Indyuce/mmocore/MMOCore.java
+++ b/MMOCore-API/src/main/java/net/Indyuce/mmocore/MMOCore.java
@@ -382,6 +382,11 @@ public class MMOCore extends JavaPlugin {
 
         if (clearBefore)
             PlayerData.getAll().forEach(PlayerData::update);
+        else
+            //We update the skill tree data if some new skill tree has been
+            // created and updated with the /mmocore reload command.
+            PlayerData.getAll().forEach(PlayerData::updateSkillTree);
+
     }
 
     public static void log(String message) {
diff --git a/MMOCore-API/src/main/java/net/Indyuce/mmocore/api/player/PlayerData.java b/MMOCore-API/src/main/java/net/Indyuce/mmocore/api/player/PlayerData.java
index 529f4a86..f99fde29 100644
--- a/MMOCore-API/src/main/java/net/Indyuce/mmocore/api/player/PlayerData.java
+++ b/MMOCore-API/src/main/java/net/Indyuce/mmocore/api/player/PlayerData.java
@@ -187,6 +187,7 @@ public class PlayerData extends OfflinePlayerData implements Closable, Experienc
                     node.getExperienceTable().claimStatTriggers(this, node);
                 }
             }
+            statLoaded=true;
 
     }
 
@@ -344,6 +345,18 @@ public class PlayerData extends OfflinePlayerData implements Closable, Experienc
         skillTree.setupNodeState(this);
     }
 
+
+    public void updateSkillTree() {
+        nodeStates.clear();
+        for (SkillTree tree : profess.getSkillTrees()) {
+            for (SkillTreeNode node : tree.getNodes()) {
+                if (!nodeLevels.containsKey(node))
+                    nodeLevels.put(node, 0);
+            }
+        }
+        setupSkillTree();
+    }
+
     public Map<SkillTreeNode, NodeState> getNodeStates() {
         return new HashMap<>(nodeStates);
     }