diff --git a/src/gui/presets.cpp b/src/gui/presets.cpp
index d6463564d..b83794638 100644
--- a/src/gui/presets.cpp
+++ b/src/gui/presets.cpp
@@ -1098,7 +1098,7 @@ void FurnaceGUI::initSystemPresets() {
   ENTRY(
     "Sharp X68000", {
       CH(DIV_SYSTEM_YM2151, 1.0f, 0, "clockSel=2"),
-      CH(DIV_SYSTEM_MSM6258, 1.0f, 0, "")
+      CH(DIV_SYSTEM_MSM6258, 1.0f, 0, "clockSel=2")
     }
   );
   ENTRY(