diff --git a/src/node.jl b/src/node.jl
index 2ebb14c25..d28baeee6 100644
--- a/src/node.jl
+++ b/src/node.jl
@@ -252,9 +252,9 @@ function Bonobo.evaluate_node!(tree::Bonobo.BnBTree, node::FrankWolfeNode)
     # Check feasibility of the iterate
     active_set = node.active_set
     x = FrankWolfe.compute_active_set_iterate!(node.active_set)
-    @assert is_linear_feasible(tree.root.problem.lmo, x)
+    @assert is_linear_feasible(tree.root.problem.tlmo, x)
     for (_,v) in node.active_set
-        @assert is_linear_feasible(tree.root.problem.lmo, v)
+        @assert is_linear_feasible(tree.root.problem.tlmo, v)
     end
 
     # time tracking FW