diff --git a/src/main/java/net/frankheijden/serverutils/reflection/RCraftServer.java b/src/main/java/net/frankheijden/serverutils/reflection/RCraftServer.java
index 4d3581a..2bed733 100644
--- a/src/main/java/net/frankheijden/serverutils/reflection/RCraftServer.java
+++ b/src/main/java/net/frankheijden/serverutils/reflection/RCraftServer.java
@@ -39,7 +39,7 @@ public class RCraftServer {
                     fieldOf("console", ALL_VERSIONS),
                     fieldOf("commandsConfiguration", ALL_VERSIONS),
                     fieldOf("overrideAllCommandBlockCommands", ALL_VERSIONS),
-                    fieldOf("unrestrictedAdvancements", max(12)),
+                    fieldOf("unrestrictedAdvancements", versionOf(12)),
                     fieldOf("ignoreVanillaPermissions", min(13)),
                     fieldOf("monsterSpawn", ALL_VERSIONS),
                     fieldOf("animalSpawn", ALL_VERSIONS),
diff --git a/src/main/java/net/frankheijden/serverutils/reflection/ReflectionUtils.java b/src/main/java/net/frankheijden/serverutils/reflection/ReflectionUtils.java
index 7958afe..038458d 100644
--- a/src/main/java/net/frankheijden/serverutils/reflection/ReflectionUtils.java
+++ b/src/main/java/net/frankheijden/serverutils/reflection/ReflectionUtils.java
@@ -108,16 +108,20 @@ public class ReflectionUtils {
             this.max = max;
         }
 
-        public static VersionParam versionOf(int min, int max) {
+        public static VersionParam versionOf(int ver) {
+            return new VersionParam(ver, ver);
+        }
+
+        public static VersionParam between(int min, int max) {
             return new VersionParam(min, max);
         }
 
         public static VersionParam min(int min) {
-            return versionOf(min, Integer.MAX_VALUE);
+            return between(min, Integer.MAX_VALUE);
         }
 
         public static VersionParam max(int max) {
-            return versionOf(Integer.MIN_VALUE, max);
+            return between(Integer.MIN_VALUE, max);
         }
 
         public boolean isCompatible() {