diff --git a/LEGO1/lego/legoomni/include/legocarbuildpresenter.h b/LEGO1/lego/legoomni/include/legocarbuildpresenter.h
index e4b658d0..2e61b1e5 100644
--- a/LEGO1/lego/legoomni/include/legocarbuildpresenter.h
+++ b/LEGO1/lego/legoomni/include/legocarbuildpresenter.h
@@ -21,7 +21,7 @@ class LegoCarBuildAnimPresenter : public LegoAnimPresenter {
 		{
 			m_name = NULL;
 			m_wiredName = NULL;
-			m_unk0x08 = 0;
+			m_objectId = 0;
 		}
 
 		// variable name verified by BETA10 0x10071b56
@@ -30,7 +30,8 @@ class LegoCarBuildAnimPresenter : public LegoAnimPresenter {
 		// variable name verified by BETA10 0x100719f0
 		LegoChar* m_wiredName; // 0x04
 
-		undefined2 m_unk0x08; // 0x08
+		// variable name guessed based on the setter at LEGO1 0x0x10079dc0 and its use in LEGO1 0x10024890
+		MxS16 m_objectId; // 0x08
 	};
 
 	LegoCarBuildAnimPresenter();
@@ -78,7 +79,7 @@ class LegoCarBuildAnimPresenter : public LegoAnimPresenter {
 	MxBool StringEndsOnY(const LegoChar* p_string);
 	MxBool StringEndsOnZero(const LegoChar* p_string);
 	const LegoChar* GetWiredNameByPartName(const LegoChar* p_name);
-	void FUN_10079dc0(const LegoChar* p_param1, MxS16 p_param2);
+	void SetPartObjectIdByName(const LegoChar* p_name, MxS16 p_objectId);
 
 	// FUNCTION: BETA10 0x10070180
 	void SetUnknown0xbc(undefined2 p_unk0xbc) { m_unk0xbc = p_unk0xbc; }
diff --git a/LEGO1/lego/legoomni/src/build/legocarbuild.cpp b/LEGO1/lego/legoomni/src/build/legocarbuild.cpp
index 7bc34657..77d8dcac 100644
--- a/LEGO1/lego/legoomni/src/build/legocarbuild.cpp
+++ b/LEGO1/lego/legoomni/src/build/legocarbuild.cpp
@@ -874,7 +874,7 @@ undefined4 LegoCarBuild::FUN_10024890(MxParam* p_param)
 				(m_Decals_Ctl5 && m_Decals_Ctl5->GetAction()->GetObjectId() == param->m_clickedObjectId) ||
 				(m_Decals_Ctl6 && m_Decals_Ctl6->GetAction()->GetObjectId() == param->m_clickedObjectId) ||
 				(m_Decals_Ctl7 && m_Decals_Ctl7->GetAction()->GetObjectId() == param->m_clickedObjectId)) {
-				m_unk0x258->FUN_10079dc0(m_unk0x110->GetName(), param->m_clickedObjectId);
+				m_unk0x258->SetPartObjectIdByName(m_unk0x110->GetName(), param->m_clickedObjectId);
 				m_Decal_Sound->Enable(FALSE);
 				m_Decal_Sound->Enable(TRUE);
 			}
@@ -981,7 +981,7 @@ undefined4 LegoCarBuild::FUN_10024890(MxParam* p_param)
 				(m_Decals_Ctl5 && m_Decals_Ctl5->GetAction()->GetObjectId() == param->m_clickedObjectId) ||
 				(m_Decals_Ctl6 && m_Decals_Ctl6->GetAction()->GetObjectId() == param->m_clickedObjectId) ||
 				(m_Decals_Ctl7 && m_Decals_Ctl7->GetAction()->GetObjectId() == param->m_clickedObjectId)) {
-				m_unk0x258->FUN_10079dc0(m_unk0x110->GetName(), param->m_clickedObjectId);
+				m_unk0x258->SetPartObjectIdByName(m_unk0x110->GetName(), param->m_clickedObjectId);
 				m_Decal_Sound->Enable(FALSE);
 				m_Decal_Sound->Enable(TRUE);
 			}
diff --git a/LEGO1/lego/legoomni/src/build/legocarbuildpresenter.cpp b/LEGO1/lego/legoomni/src/build/legocarbuildpresenter.cpp
index 13fb0adb..546aac67 100644
--- a/LEGO1/lego/legoomni/src/build/legocarbuildpresenter.cpp
+++ b/LEGO1/lego/legoomni/src/build/legocarbuildpresenter.cpp
@@ -640,6 +640,17 @@ const LegoChar* LegoCarBuildAnimPresenter::GetWiredNameByPartName(const LegoChar
 	return NULL;
 }
 
+// FUNCTION: LEGO1 0x10079dc0
+// FUNCTION: BETA10 0x100728d1
+void LegoCarBuildAnimPresenter::SetPartObjectIdByName(const LegoChar* p_name, MxS16 p_objectId)
+{
+	for (MxS16 i = 0; i < m_numberOfParts; i++) {
+		if (strcmpi(p_name, m_parts[i].m_name) == 0) {
+			m_parts[i].m_objectId = p_objectId;
+			return;
+		}
+	}
+}
 
 // FUNCTION: LEGO1 0x10079e20
 // FUNCTION: BETA10 0x10072959