diff --git a/src/window.cpp b/src/window.cpp
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -1367,8 +1367,8 @@ static uint GetWindowZPriority(WindowCla
 		case WC_CUSTOM_CURRENCY:
 		case WC_NETWORK_WINDOW:
 		case WC_GRF_PARAMETERS:
-		case WC_AI_LIST:
-		case WC_AI_SETTINGS:
+		case WC_SCRIPT_LIST:
+		case WC_SCRIPT_SETTINGS:
 		case WC_TEXTFILE:
 			++z_priority;
 			FALLTHROUGH;