diff --git a/indra/newview/llmaterialeditor.cpp b/indra/newview/llmaterialeditor.cpp
index 9738030e9723e872efb02cd5982731d07582cb5f..c23f9ec4e7ab7694299845fbc57bb007fc4aed25 100644
--- a/indra/newview/llmaterialeditor.cpp
+++ b/indra/newview/llmaterialeditor.cpp
@@ -200,7 +200,7 @@ LLMaterialEditor::LLMaterialEditor(const LLSD& key)
     , mHasUnsavedChanges(false)
     , mExpectedUploadCost(0)
     , mUploadingTexturesCount(0)
-    , mOverrideObjectId(LLUUID::null)
+    , mOverrideLocalId(0)
     , mOverrideFace(0)
 {
     const LLInventoryItem* item = getItem();
@@ -2259,7 +2259,7 @@ void LLMaterialEditor::modifyMaterialCoro(std::string cap_url, LLSD overrides)
 
     httpOpts->setFollowRedirects(true);
     LLSD body = llsd::map(
-        "local_id", mOverrideObjectId,
+        "local_id", S32(mOverrideLocalId),
         "face", mOverrideFace,
         "overrides", overrides
     );
@@ -2279,8 +2279,8 @@ void LLMaterialEditor::modifyMaterialCoro(std::string cap_url, LLSD overrides)
     }
 }
 
-void LLMaterialEditor::setOverrideTarget(const LLUUID& object_id, S32 face)
+void LLMaterialEditor::setOverrideTarget(U32 local_id, S32 face)
 {
-    mOverrideObjectId = object_id;
+    mOverrideLocalId = local_id;
     mOverrideFace = face;
 }
diff --git a/indra/newview/llmaterialeditor.h b/indra/newview/llmaterialeditor.h
index aa24b52a96e4c2002a93317398667a700f5d4aa9..96bf8cc7a2778bcc96492162f47469e7adf4ca49 100644
--- a/indra/newview/llmaterialeditor.h
+++ b/indra/newview/llmaterialeditor.h
@@ -217,7 +217,7 @@ class LLMaterialEditor : public LLPreview, public LLVOInventoryListener
     void loadDefaults();
 
     void modifyMaterialCoro(std::string cap_url, LLSD overrides);
-    void setOverrideTarget(const LLUUID& object_id, S32 face_id);
+    void setOverrideTarget(U32 local_id, S32 face_id);
 
 private:
     void loadMaterial(const tinygltf::Model &model, const std::string &filename_lc, S32 index);
@@ -269,7 +269,7 @@ class LLMaterialEditor : public LLPreview, public LLVOInventoryListener
     std::string mMaterialNameShort;
     std::string mMaterialName;
 
-    LLUUID mOverrideObjectId;
+    U32 mOverrideLocalId;
     S32 mOverrideFace;
 };
 
diff --git a/indra/newview/llpanelface.cpp b/indra/newview/llpanelface.cpp
index ff5128e0c2f745b15e9d04b885c5c3971b1b4771..f93a0e7142a065c099d6cbea7463f72438754db6 100644
--- a/indra/newview/llpanelface.cpp
+++ b/indra/newview/llpanelface.cpp
@@ -4603,7 +4603,7 @@ void LLPanelFace::onPbrStartEditing() {
         editor->setTitle("Editing material on "s + object_id.asString());
         editor->setAssetId(material_id);
         editor->setFromGLTFMaterial(material);
-        editor->setOverrideTarget(object_id, face);
+        editor->setOverrideTarget(objectp->getLocalID(), face);
     }
 }