diff --git a/Compatibility/src/main/java/com/songoda/core/compatibility/CompatibleMaterial.java b/Compatibility/src/main/java/com/songoda/core/compatibility/CompatibleMaterial.java
index f56914ba..37f37989 100644
--- a/Compatibility/src/main/java/com/songoda/core/compatibility/CompatibleMaterial.java
+++ b/Compatibility/src/main/java/com/songoda/core/compatibility/CompatibleMaterial.java
@@ -5,6 +5,7 @@ import org.bukkit.block.Block;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.FallingBlock;
 import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.Contract;
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
@@ -1542,6 +1543,7 @@ public enum CompatibleMaterial {
      *
      * @return LegacyMaterial or null if none found
      */
+    @Contract("_, !null -> !null")
     public static CompatibleMaterial getMaterial(String name, CompatibleMaterial def) {
         return name == null ? def : lookupMap.getOrDefault(name.toUpperCase(), def);
     }