diff --git a/src/voxels/Chunks.h b/src/voxels/Chunks.h
index 5798555b..687499f2 100644
--- a/src/voxels/Chunks.h
+++ b/src/voxels/Chunks.h
@@ -8,7 +8,7 @@
 
 class VoxelRenderer;
 
-class AABB;
+struct AABB;
 class Content;
 class ContentIndices;
 class Chunk;