diff --git a/src/main/java/net/minestom/server/instance/block/BlockRegistry.java b/src/main/java/net/minestom/server/instance/block/BlockRegistry.java
index 9e6f6044c..ea6f0f949 100644
--- a/src/main/java/net/minestom/server/instance/block/BlockRegistry.java
+++ b/src/main/java/net/minestom/server/instance/block/BlockRegistry.java
@@ -23,6 +23,10 @@ class BlockRegistry {
     private static final Map<String, PropertyEntry> BLOCK_PROPERTY_MAP = new ConcurrentHashMap<>();
 
     static @Nullable Block get(@NotNull String namespace) {
+        if (!namespace.contains(":")) {
+            // Default to minecraft namespace
+            namespace = "minecraft:" + namespace;
+        }
         return NAMESPACE_MAP.get(namespace);
     }