diff --git a/src/backend/gpopt/translate/CTranslatorUtils.cpp b/src/backend/gpopt/translate/CTranslatorUtils.cpp
index 7c1ab87801997f650797b945532b5a21483c51f2..dad410f52954532395097ef1209eac3625640354 100644
--- a/src/backend/gpopt/translate/CTranslatorUtils.cpp
+++ b/src/backend/gpopt/translate/CTranslatorUtils.cpp
@@ -129,7 +129,7 @@ CTranslatorUtils::Pdxltabdesc
 		GPOS_RAISE(gpdxl::ExmaDXL, gpdxl::ExmiQuery2DXLUnsupportedFeature, GPOS_WSZ_LIT("Query over external partitions"));
 	}
 
-	CMDIdGPDB *pmdid = CDXLUtils::Pmdid(pmp, oidRel);
+	CMDIdGPDB *pmdid = GPOS_NEW(pmp) CMDIdGPDB(oidRel);
 
 	const IMDRelation *pmdrel = pmda->Pmdrel(pmdid);