diff --git a/src/voxels/voxel.h b/src/voxels/voxel.h
index 67444b60..117f4490 100644
--- a/src/voxels/voxel.h
+++ b/src/voxels/voxel.h
@@ -24,7 +24,7 @@ struct voxel {
 	}
 
     inline void setRotation(uint8_t rotation) {
-        states = (states & (~BLOCK_ROT_MASK)) | rotation & BLOCK_ROT_MASK;
+        states = (states & (~BLOCK_ROT_MASK)) | (rotation & BLOCK_ROT_MASK);
     }
 };