diff --git a/src/main/java/net/minestom/server/instance/block/BlockImpl.java b/src/main/java/net/minestom/server/instance/block/BlockImpl.java
index e652de81a..92a4e5839 100644
--- a/src/main/java/net/minestom/server/instance/block/BlockImpl.java
+++ b/src/main/java/net/minestom/server/instance/block/BlockImpl.java
@@ -202,9 +202,8 @@ record BlockImpl(@NotNull Registry.BlockEntry registry,
 
     private Block compute(byte[] properties) {
         if (Arrays.equals(propertiesArray, properties)) return this;
-        BlockImpl block = possibleProperties().get(new PropertiesHolder(properties));
-        if (block == null)
-            throw new IllegalArgumentException("Invalid properties: " + Arrays.toString(properties) + " for block " + this);
+        final BlockImpl block = possibleProperties().get(new PropertiesHolder(properties));
+        assert block != null;
         return nbt == null && handler == null ? block : new BlockImpl(block.registry(), block.propertiesArray, nbt, handler);
     }
 
diff --git a/src/test/java/net/minestom/server/instance/BlockTest.java b/src/test/java/net/minestom/server/instance/BlockTest.java
index 3559db85a..62cbec600 100644
--- a/src/test/java/net/minestom/server/instance/BlockTest.java
+++ b/src/test/java/net/minestom/server/instance/BlockTest.java
@@ -33,7 +33,7 @@ public class BlockTest {
     }
 
     @Test
-    public void testProperty() {
+    public void validProperties() {
         Block block = Block.CHEST;
         assertEquals(block.properties(), Objects.requireNonNull(Block.fromBlockId(block.id())).properties());
 
@@ -48,8 +48,13 @@ public class BlockTest {
 
         assertEquals(block.withProperty("facing", "north").getProperty("facing"), "north");
         assertNotEquals(block.withProperty("facing", "north"), block.withProperty("facing", "south"));
+    }
 
+    @Test
+    public void invalidProperties() {
+        Block block = Block.CHEST;
         assertThrows(Exception.class, () -> block.withProperty("random", "randomKey"));
+        assertThrows(Exception.class, () -> block.withProperties(Map.of("random", "randomKey")));
     }
 
     @Test