diff --git a/src/experimental/_impl/_tiles_wfc_impl.scad b/src/experimental/_impl/_tiles_wfc_impl.scad
index 22aea3a9..4e07b743 100644
--- a/src/experimental/_impl/_tiles_wfc_impl.scad
+++ b/src/experimental/_impl/_tiles_wfc_impl.scad
@@ -84,11 +84,11 @@ function wf_collapse(wf, x, y) =
 
 function _wf_collapse(wf, x, y, states_weights, leng, threshold, i = 0) =
     threshold < 0 || i == leng ? wf : 
-	let(
-		state_weight = states_weights[i],
-		t = threshold - state_weight[1]
-	)
-	_wf_collapse(t < 0 ? _oneStateAt(wf, x, y, state_weight[0]) : wf, x, y, states_weights, leng, t, i + 1);
+	let(state_weight = states_weights[i])
+	_wf_collapse(
+		threshold < state_weight[1] ? _oneStateAt(wf, x, y, state_weight[0]) : wf, 
+		x, y, states_weights, leng, threshold - state_weight[1], i + 1
+	);
 
 function _oneStateAt(wf, x, y, state) = _replaceStatesAt(wf, x, y, [state]);