diff --git a/src/xrt/compositor/main/comp_compositor.c b/src/xrt/compositor/main/comp_compositor.c
index d2c199578..e0e7f1041 100644
--- a/src/xrt/compositor/main/comp_compositor.c
+++ b/src/xrt/compositor/main/comp_compositor.c
@@ -1171,6 +1171,9 @@ xrt_gfx_provider_create_native(struct xrt_device *xdev)
 
 	struct xrt_compositor_info *info = &c->base.base.info;
 
+	// Required by OpenXR spec.
+	info->max_layers = 16;
+
 	memcpy(info->compositor_vk_deviceUUID,
 	       c->settings.selected_gpu_deviceUUID, XRT_GPU_UUID_SIZE);