diff --git a/org.adempiere.base/src/org/compiere/model/MClient.java b/org.adempiere.base/src/org/compiere/model/MClient.java
index 5aa4c532ce..b31296eb92 100644
--- a/org.adempiere.base/src/org/compiere/model/MClient.java
+++ b/org.adempiere.base/src/org/compiere/model/MClient.java
@@ -731,7 +731,7 @@ public class MClient extends X_AD_Client
 			msg = email.send();
 		}
 		//
-		X_AD_UserMail um = new X_AD_UserMail(getCtx(), 0, null);
+		X_AD_UserMail um = new X_AD_UserMail(getCtx(), 0, to.get_TrxName());
 		um.setClientOrg(this);
 		um.setAD_User_ID(to.getAD_User_ID());
 		um.setSubject(email.getSubject());
diff --git a/org.adempiere.base/src/org/compiere/wf/MWFActivity.java b/org.adempiere.base/src/org/compiere/wf/MWFActivity.java
index 6aea61a1ae..d38fc37c96 100644
--- a/org.adempiere.base/src/org/compiere/wf/MWFActivity.java
+++ b/org.adempiere.base/src/org/compiere/wf/MWFActivity.java
@@ -1691,7 +1691,7 @@ public class MWFActivity extends X_AD_WF_Activity implements Runnable
 	{
 		if (AD_User_ID != 0)
 		{
-			MUser user = MUser.get(getCtx(), AD_User_ID);
+			MUser user = new MUser(getCtx(), AD_User_ID, get_TrxName());
 			email = user.getEMail();
 			if (email != null && email.length() > 0)
 			{