.

PHI-CL/control/combinator.lua

@@ -38,7 +38,22 @@ function main.gui_create(player)
 end
 
 function main.gui_update(player, entity)
-    if entity.valid and entity.type and entity.type == 'constant-combinator' and entity.name == 'super-combinator' then
+    if not entity.valid then
+        return
+    end
+
+    if not entity.type then
+        return
+    end
+
+    if entity.type ~= 'constant-combinator' then
+        return
+    end
+
+    if entity.name ~= 'super-combinator' then
+        return
+    end
+
     local circuit_oc = player.opened.get_or_create_control_behavior()
 
     if circuit_oc and circuit_oc.sections_count and circuit_oc.sections_count == 0 then
@@ -61,7 +76,6 @@ function main.gui_update(player, entity)
             dropdown.selected_index = ((val < 0 or val > 3) and 1) or (val + 1)
         end
     end
-    end
 end
 
 function main.handle_research_queue(entity, combinator)