diff --git a/examples/grid/numerics.yaml b/examples/grid/numerics.yaml
index 47582521f..4f8eaba2f 100644
--- a/examples/grid/numerics.yaml
+++ b/examples/grid/numerics.yaml
@@ -1,4 +1,5 @@
-grid:
-  mechanical:
-    itmin: 4
-    itmax: 40
+solver:
+  grid:
+    mechanical:
+      N_iter_min: 4
+      N_iter_max: 40