diff --git a/assets/shaders/cube.vert b/assets/shaders/cube.vert
index 6e31124..b741b5d 100644
--- a/assets/shaders/cube.vert
+++ b/assets/shaders/cube.vert
@@ -8,10 +8,13 @@ layout(location = 0) out vec3 frag_color;
 
 layout(push_constant) uniform PushConstants {
     mat4 mvp;
+    vec4 chunk_offset;
 } push_constants;
 
 void main() {
-    gl_Position = push_constants.mvp * vec4(in_position, 1.0);
-    
+    // The chunk-local vertex is shifted into world space by the per-chunk offset before projection.
+    vec3 world_position = in_position + push_constants.chunk_offset.xyz;
+    gl_Position = push_constants.mvp * vec4(world_position, 1.0);
+
     frag_color = in_color;
 }
diff --git a/assets/shaders/cube.vert.spv b/assets/shaders/cube.vert.spv
index 0b87b22..66f3666 100644
Binary files a/assets/shaders/cube.vert.spv and b/assets/shaders/cube.vert.spv differ