diff --git a/sw/source/core/fields/expfld.cxx b/sw/source/core/fields/expfld.cxx
index 228f4cb762ad..6db9140996b2 100644
--- a/sw/source/core/fields/expfld.cxx
+++ b/sw/source/core/fields/expfld.cxx
@@ -331,6 +331,7 @@ std::unique_ptr<SwField> SwGetExpField::Copy() const
     pTmp->m_fValueRLHidden = m_fValueRLHidden;
     pTmp->SwValueField::SetValue(GetValue());
     pTmp->m_sExpand       = m_sExpand;
+    pTmp->m_sExpandRLHidden = m_sExpandRLHidden;
     pTmp->m_bIsInBodyText  = m_bIsInBodyText;
     pTmp->SetAutomaticLanguage(IsAutomaticLanguage());
     if( m_bLateInitialization )