diff --git a/vendor/clouds3d.js b/vendor/clouds3d.js
index 2ab8768..7d857d3 100644
--- a/vendor/clouds3d.js
+++ b/vendor/clouds3d.js
@@ -311,7 +311,7 @@ window.clouds3dRender = function(target) {
         // frames render normally before it loads — the shader just
         // samples a black texture in the meantime.
         canvas.__groundReady = false;
-        loadImageTexture(s.gl, 'ground.jpg').then(function(tex) {
+        loadImageTexture(canvas.__state.gl, 'ground.jpg').then(function(tex) {
             canvas.__ground = tex;
             canvas.__groundReady = true;
         }).catch(function(err) {