diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 2942ed0c42..c069d2d3fa 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -9361,6 +9361,17 @@
     <key>Value</key>
     <integer>1</integer>
   </map>
+  <key>FSMeshUploadUseGLODAsDefault</key>
+  <map>
+    <key>Comment</key>
+    <string>Use the 'reliable' (GLOD) method for LODs as the default when opening Collada files.</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>Boolean</string>
+    <key>Value</key>
+    <integer>0</integer>
+  </map>
   <key>MeshPreviewCanvasColor</key>
   <map>
     <key>Comment</key>
diff --git a/indra/newview/llfloatermodelpreview.cpp b/indra/newview/llfloatermodelpreview.cpp
index 9afbb35078..6d97b07155 100644
--- a/indra/newview/llfloatermodelpreview.cpp
+++ b/indra/newview/llfloatermodelpreview.cpp
@@ -148,7 +148,18 @@ mAvatarTabIndex(0)
 	mLODMode[LLModel::LOD_HIGH] = LLModelPreview::LOD_FROM_FILE;
 	for (U32 i = 0; i < LLModel::LOD_HIGH; i++)
 	{
-		mLODMode[i] = LLModelPreview::MESH_OPTIMIZER_AUTO;
+		// <FS:Beq> FIRE-32267 - Set default LOD mode to GLOD
+		// mLODMode[i] = LLModelPreview::MESH_OPTIMIZER_AUTO;
+		static LLCachedControl<bool> default_to_glod(gSavedSettings, "FSMeshUploadUseGLODAsDefault");
+		if( default_to_glod )
+		{
+		    mLODMode[i] = LLModelPreview::GENERATE;
+		}
+		else
+		{
+			mLODMode[i] = LLModelPreview::MESH_OPTIMIZER_AUTO;
+		}
+		// </FS:Beq>
 	}
 }
 
diff --git a/indra/newview/llmodelpreview.cpp b/indra/newview/llmodelpreview.cpp
index fed88818a0..fde68b1db5 100644
--- a/indra/newview/llmodelpreview.cpp
+++ b/indra/newview/llmodelpreview.cpp
@@ -3667,8 +3667,17 @@ void LLModelPreview::updateLodControls(S32 lod)
     }
     else // auto generate, the default case for all LoDs except High
     {
-        fmp->mLODMode[lod] = MESH_OPTIMIZER_AUTO;
-
+        // <FS:Beq> FIRE-32267 - Allow GLOD to be default
+        // fmp->mLODMode[lod] = MESH_OPTIMIZER_AUTO;
+        if( lod_mode == GENERATE )
+        {
+            fmp->mLODMode[lod] = GENERATE;
+        }
+        else
+        {
+            fmp->mLODMode[lod] = MESH_OPTIMIZER_AUTO;
+        }
+        // </FS:Beq>
         //don't actually regenerate lod when refreshing UI
         mLODFrozen = true;
 
@@ -3693,7 +3702,7 @@ void LLModelPreview::updateLodControls(S32 lod)
 
         mFMP->getChild<LLComboBox>("lod_mode_" + lod_name[lod])->selectNthItem(mRequestedLoDMode[lod]);
 
-        if (mRequestedLoDMode[lod] == 0)
+        if (mRequestedLoDMode[lod] == 0 || mRequestedLoDMode[lod] == GENERATE) // <FS:Beq/> FIRE-32267 - Allow GLOD to be default
         {
             limit->setVisible(true);
             threshold->setVisible(false);
@@ -5077,11 +5086,15 @@ bool LLModelPreview::lodQueryCallback()
             S32 lod = preview->mLodsQuery.back();
             preview->mLodsQuery.pop_back();
 // <FS:Beq> Improved LOD generation
-#ifdef USE_GLOD_AS_DEFAULT
-            preview->genGlodLODs(lod, 3, false);
-#else
-            preview->genMeshOptimizerLODs(lod, MESH_OPTIMIZER_AUTO, 3, false);
-#endif
+            static LLCachedControl<bool> default_to_glod(gSavedSettings, "FSMeshUploadUseGLODAsDefault");
+            if (default_to_glod())
+            {
+                preview->genGlodLODs(lod, 3, false);
+            }
+            else
+            {
+                preview->genMeshOptimizerLODs(lod, MESH_OPTIMIZER_AUTO, 3, false);
+            }
 // </FS:Beq>
             if (preview->mLookUpLodFiles && (lod == LLModel::LOD_HIGH))
             {
diff --git a/indra/newview/skins/default/xui/en/floater_model_preview.xml b/indra/newview/skins/default/xui/en/floater_model_preview.xml
index e81fb96942..0297498b50 100644
--- a/indra/newview/skins/default/xui/en/floater_model_preview.xml
+++ b/indra/newview/skins/default/xui/en/floater_model_preview.xml
@@ -1475,7 +1475,7 @@
          follows="top|left"
          top_pad="8"
          left="24"
-         width="300"
+         width="200"
          label="Auto-enable weights"
          tool_tip="Automatically set weights enabled for meshes with rigging info"
          name="mesh_preview_auto_weights"/>
@@ -1483,10 +1483,18 @@
          control_name="FSMeshUploadAutoShowWeightsWhenEnabled"
          follows="top|left"
          left_pad="5"
-         width="300"
+         width="200"
          label="Auto-preview weights"
          tool_tip="Automatically show weights in preview for meshes with rigging info"
          name="mesh_preview_auto_show_weights"/>
+         <check_box
+         control_name="FSMeshUploadUseGLODAsDefault"
+         follows="top|left"
+         left_pad="5"
+         width="200"
+         label="Default to 'Reliable' LODs"
+         tool_tip="Use the 'Reliable' method (GLOD) by default"
+         name="mesh_upload_default_to_reliable"/>
          <text
            follows="left|top"
            layout="topleft"