diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6ab0e67..d23639c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,7 +4,7 @@ stages:
 variables:
     name: "UltimateStacker"
     path: "/builds/$CI_PROJECT_PATH"
-    version: "1.4.3"
+    version: "1.4.4"
 
 build:
   stage: build
diff --git a/src/main/java/com/songoda/ultimatestacker/utils/Methods.java b/src/main/java/com/songoda/ultimatestacker/utils/Methods.java
index 60df841..e71bcfe 100644
--- a/src/main/java/com/songoda/ultimatestacker/utils/Methods.java
+++ b/src/main/java/com/songoda/ultimatestacker/utils/Methods.java
@@ -49,7 +49,8 @@ public class Methods {
                     ((Tameable) newEntity).setOwner(((Tameable) toClone).getOwner());
                 }
                 case SKELETON_TYPE: {
-                    if (!(toClone instanceof Skeleton)) break;
+                    if (!(toClone instanceof Skeleton)
+                            || UltimateStacker.getInstance().isServerVersionAtLeast(ServerVersion.V1_13)) break;
                     ((Skeleton) newEntity).setSkeletonType(((Skeleton) toClone).getSkeletonType());
                     break;
                 }