diff --git a/src/window.cpp b/src/window.cpp
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -999,9 +999,9 @@ static uint GetWindowZPriority(const Win
 		case WC_CUSTOM_CURRENCY:
 		case WC_NETWORK_WINDOW:
 		case WC_GRF_PARAMETERS:
-		case WC_NEWGRF_TEXTFILE:
 		case WC_AI_LIST:
 		case WC_AI_SETTINGS:
+		case WC_TEXTFILE:
 			++z_priority;
 
 		case WC_CONSOLE: