diff --git a/engine/app_layout.cpp b/engine/app_layout.cpp
index 083afa7..00ad49a 100644
--- a/engine/app_layout.cpp
+++ b/engine/app_layout.cpp
@@ -591,7 +591,8 @@ void App::initLayout()
                     layers->handle_layer_opacity(l, .0f);
                 }
 
-                int current_layer = (int)std::min<int>(floor(value * c.m_layers.size()), c.m_layers.size() - 1);
+                int current_layer = (int)glm::clamp<int>(
+                    floor(value * c.m_layers.size()), 1, c.m_layers.size() - 1);
                 auto l = layers->get_layer_at(current_layer);
                 layers->handle_layer_selected(l);
                 layers->handle_layer_opacity(l, 1.f);