diff --git a/README.rst b/README.rst
index f1764cfc72b39181cfcb07d3c05504b586d95ee4..963227d9aa25742b29e7f193a5516162fa14cbb1 100644
--- a/README.rst
+++ b/README.rst
@@ -85,7 +85,7 @@ Usage
     projection = projector.new_projection_tensor(requires_grad=True)
 
     projection += 1.
-    result = projector.project_backward(projection, use_texture=with_texture)
+    result = projector.project_backward(projection, use_texture=True)
 
     assert projection.requires_grad
     assert result.requires_grad