diff --git a/src/ai/ai_gui.cpp b/src/ai/ai_gui.cpp
index 6426dd3c7f..debed35a21 100644
--- a/src/ai/ai_gui.cpp
+++ b/src/ai/ai_gui.cpp
@@ -251,7 +251,7 @@ static void ShowAIListWindow(CompanyID slot)
 }
 
 /** Enum referring to the widgets of the AI settings window */
-enum AISettingsWindowWidgest {
+enum AISettingsWindowWidgets {
 	AIS_WIDGET_BACKGROUND,   ///< Panel to draw the settings on
 	AIS_WIDGET_SCROLLBAR,    ///< Scrollbar to scroll through all settings
 	AIS_WIDGET_ACCEPT,       ///< Accept button