diff --git a/app/src/behaviors/behavior_momentary_layer.c b/app/src/behaviors/behavior_momentary_layer.c
index f08e3d87..eca039f3 100644
--- a/app/src/behaviors/behavior_momentary_layer.c
+++ b/app/src/behaviors/behavior_momentary_layer.c
@@ -22,7 +22,7 @@ static int behavior_mo_init(const struct device *dev) { return 0; };
 
 static int mo_keymap_binding_pressed(struct zmk_behavior_binding *binding,
                                      struct zmk_behavior_binding_event event) {
-    printk("GUIDO: mo layer %d", binding->param1)
+    printk("GUIDO: mo layer %d", binding->param1);
     LOG_DBG("position %d layer %d", event.position, binding->param1);
     return zmk_keymap_layer_activate(binding->param1);
 }