diff --git a/libultraship/libultraship/SohImGuiImpl.h b/libultraship/libultraship/SohImGuiImpl.h
index 665897e82..c2f4649df 100644
--- a/libultraship/libultraship/SohImGuiImpl.h
+++ b/libultraship/libultraship/SohImGuiImpl.h
@@ -68,7 +68,7 @@ namespace SohImGui {
     void EnhancementCheckbox(std::string text, std::string cvarName);
     void EnhancementSliderInt(std::string text, std::string id, std::string cvarName, int min, int max, std::string format);
     void EnhancementSliderFloat(std::string text, std::string id, std::string cvarName, float min, float max, std::string format, float defaultValue);
-    void EnhancementCombobox(const char* name, const char* ComboArray[], s16 FirstTimeValue = -1);
+    void EnhancementCombobox(const char* name, const char* ComboArray[], uint8_t FirstTimeValue);
 
     void DrawMainMenuAndCalculateGameSize(void);