diff --git a/binaries/data/mods/public/gui/gamesetup/gamesetup.js b/binaries/data/mods/public/gui/gamesetup/gamesetup.js
index 90fad63..0af84cf 100644
--- a/binaries/data/mods/public/gui/gamesetup/gamesetup.js
+++ b/binaries/data/mods/public/gui/gamesetup/gamesetup.js
@@ -206,6 +206,11 @@ var g_ServerPort;
 var g_IsInGuiUpdate;

 /**
+ * States whether the settings are currently initialized and therefore shouldn't update the GUI objects.
+ */
+var g_IsSupplementingDefaults;
+
+/**
  * Whether the current player is ready to start the game.
  * 0 - not ready
  * 1 - ready
@@ -850,6 +855,11 @@ function initDefaults()
  */
 function supplementDefaults()
 {
+   if (g_IsSupplementingDefaults)
+       return;
+
+   g_IsSupplementingDefaults = true;
+
    for (let dropdown in g_Dropdowns)
        if (!g_Dropdowns[dropdown].defined())
            g_Dropdowns[dropdown].select(g_Dropdowns[dropdown].default());
@@ -862,6 +872,8 @@ function supplementDefaults()
        for (let i = 0; i < g_GameAttributes.settings.PlayerData.length; ++i)
            if (!isControlArrayElementHidden(i) && !g_DropdownArrays[dropdown].defined(i))
                g_DropdownArrays[dropdown].select(g_DropdownArrays[dropdown].default(i), i);
+
+   g_IsSupplementingDefaults = false;
 }

 /**
@@ -1494,6 +1506,9 @@ function isControlArrayElementHidden(idx)
  */
 function updateGUIDropdown(name, idx = undefined)
 {
+   if (g_IsSupplementingDefaults)
+       return;
+
    let [guiName, guiIdx] = getGUIObjectNameFromSetting(name);
    let idxName = idx === undefined ? "": "[" + idx + "]";

@@ -1532,6 +1547,9 @@ function updateGUIDropdown(name, idx = undefined)
  */
 function updateGUICheckbox(name)
 {
+   if (g_IsSupplementingDefaults)
+       return;
+
    let obj = g_Checkboxes[name];

    let checked = obj.get();