diff --git a/DataGenerator/src/main/java/net/minestom/generators/BlockGenerator.java b/DataGenerator/src/main/java/net/minestom/generators/BlockGenerator.java
index 8c70431..39b90bd 100644
--- a/DataGenerator/src/main/java/net/minestom/generators/BlockGenerator.java
+++ b/DataGenerator/src/main/java/net/minestom/generators/BlockGenerator.java
@@ -152,6 +152,7 @@ private void writeState(Identifier location, Block block, Map<String, SoundType>
         appendState(blockJson, state, "flammable", isFlammable(blockState), boolean.class);
         appendState(blockJson, state, "air", blockState.isAir(), false, boolean.class);
         appendState(blockJson, state, "liquid", blockState.liquid(), false, boolean.class);
+        appendState(blockJson, state, "fluid", !blockState.getFluidState().isEmpty(), false, boolean.class);
         appendState(blockJson, state, "replaceable", blockState.canBeReplaced(), false, boolean.class);
         appendState(blockJson, state, "solid", blockState.isSolid(), boolean.class);
         appendState(blockJson, state, "solidBlocking", blockState.blocksMotion(), boolean.class);