diff --git a/src/main/java/com/dumbdogdiner/stickyapi/bukkit/generator/VoidGenerator.java b/src/main/java/com/dumbdogdiner/stickyapi/bukkit/generator/VoidGenerator.java
index 8403386a..69588027 100644
--- a/src/main/java/com/dumbdogdiner/stickyapi/bukkit/generator/VoidGenerator.java
+++ b/src/main/java/com/dumbdogdiner/stickyapi/bukkit/generator/VoidGenerator.java
@@ -16,7 +16,7 @@
 public class VoidGenerator extends ChunkGenerator {
 
     @Override
-    public ChunkData generateChunkData(@NotNull World world, Random random, int x, int z, BiomeGrid biome) {
+    public @NotNull ChunkData generateChunkData(@NotNull World world, @NotNull Random random, int x, int z, @NotNull BiomeGrid biome) {
         return createChunkData(world);
     }
 }