diff --git a/src/main/java/org/cloudburstmc/api/block/BlockType.java b/src/main/java/org/cloudburstmc/api/block/BlockType.java
index da5ac29d0..92bbf5a2c 100644
--- a/src/main/java/org/cloudburstmc/api/block/BlockType.java
+++ b/src/main/java/org/cloudburstmc/api/block/BlockType.java
@@ -157,7 +157,7 @@ public boolean isReplaceable() {
     }
 
     public boolean isTransparent() {
-        return false;
+        return BlockCategories.inCategory(this, BlockCategory.TRANSPARENT);
     }
 
     public int getTranslucency() {
@@ -169,7 +169,7 @@ public int getFilterLevel() {
     }
 
     public boolean isSolid() {
-        return true;
+        return BlockCategories.inCategory(this, BlockCategory.SOLID);
     }
 
     public boolean isDiggable() {