diff --git a/core/src/main/java/art/arcane/iris/core/nms/datapack/v1217/DataFixerV1217.java b/core/src/main/java/art/arcane/iris/core/nms/datapack/v1217/DataFixerV1217.java
index 6ad102b94..4890bea9b 100644
--- a/core/src/main/java/art/arcane/iris/core/nms/datapack/v1217/DataFixerV1217.java
+++ b/core/src/main/java/art/arcane/iris/core/nms/datapack/v1217/DataFixerV1217.java
@@ -89,32 +89,7 @@ public class DataFixerV1217 extends DataFixerV1213 {
 
     @Override
     public JSONObject fixCustomBiome(IrisBiomeCustom biome, JSONObject json) {
-        json = super.fixCustomBiome(biome, json);
-        JSONObject effects = json.getJSONObject("effects");
-        JSONObject attributes = new JSONObject();
-
-        attributes.put("minecraft:visual/fog_color", effects.remove("fog_color"));
-        attributes.put("minecraft:visual/sky_color", effects.remove("sky_color"));
-        attributes.put("minecraft:visual/water_color", effects.remove("water_color"));
-        attributes.put("minecraft:visual/water_fog_color", effects.remove("water_fog_color"));
-        Object grassColor = effects.remove("grass_color");
-        if (grassColor != null) {
-            attributes.put("minecraft:visual/grass_color", grassColor);
-        }
-        Object foliageColor = effects.remove("foliage_color");
-        if (foliageColor != null) {
-            attributes.put("minecraft:visual/foliage_color", foliageColor);
-        }
-
-        JSONObject particle = (JSONObject) effects.remove("particle");
-        if (particle != null) {
-            particle.put("particle", particle.remove("options"));
-            attributes.put("minecraft:visual/ambient_particles", new JSONArray()
-                    .put(particle));
-        }
-        json.put("attributes", attributes);
-
-        return json;
+        return super.fixCustomBiome(biome, json);
     }
 
     @Override
diff --git a/core/src/test/java/art/arcane/iris/core/nms/datapack/v1217/DataFixerV1217CustomBiomeTest.java b/core/src/test/java/art/arcane/iris/core/nms/datapack/v1217/DataFixerV1217CustomBiomeTest.java
new file mode 100644
index 000000000..580f8084b
--- /dev/null
+++ b/core/src/test/java/art/arcane/iris/core/nms/datapack/v1217/DataFixerV1217CustomBiomeTest.java
@@ -0,0 +1,30 @@
+package art.arcane.iris.core.nms.datapack.v1217;
+
+import art.arcane.iris.engine.object.IrisBiomeCustom;
+import art.arcane.volmlib.util.json.JSONObject;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+public class DataFixerV1217CustomBiomeTest {
+    private final DataFixerV1217 fixer = new DataFixerV1217();
+
+    @Test
+    public void keepsSpigotBiomeColorsInEffects() {
+        IrisBiomeCustom biome = new IrisBiomeCustom();
+        biome.setId("spigot_colors");
+        biome.setGrassColor("#28a040");
+        biome.setFoliageColor("#249030");
+
+        JSONObject json = new JSONObject(biome.generateJson(fixer));
+        JSONObject effects = json.getJSONObject("effects");
+
+        assertFalse(json.has("attributes"));
+        assertTrue(effects.has("water_color"));
+        assertTrue(effects.has("water_fog_color"));
+        assertEquals(0x28a040, effects.getInt("grass_color"));
+        assertEquals(0x249030, effects.getInt("foliage_color"));
+    }
+}