diff --git a/org.adempiere.base/src/org/compiere/model/MLookup.java b/org.adempiere.base/src/org/compiere/model/MLookup.java
index 57540d9f4d..18fe65986e 100644
--- a/org.adempiere.base/src/org/compiere/model/MLookup.java
+++ b/org.adempiere.base/src/org/compiere/model/MLookup.java
@@ -643,7 +643,7 @@ public final class MLookup extends Lookup implements Serializable
 	public NamePair[] getDirect(Object[] keys) 
 	{
 		List<NamePair> list = new ArrayList<NamePair>();
-		String cacheKey = m_info.TableName+"|"+m_info.KeyColumn;
+		String cacheKey = m_info.TableName+"|"+m_info.KeyColumn+"|"+m_info.AD_Reference_Value_ID+"|"+Env.getAD_Language(Env.getCtx());
 		boolean isNumber = m_info.KeyColumn.endsWith("_ID");
 		CCache<Integer, KeyNamePair> knpCache = null;
 		CCache<String, ValueNamePair> vnpCache = null;