diff --git a/core/attributedef.class.inc.php b/core/attributedef.class.inc.php
index 1cc76cef1..7630ff5c9 100644
--- a/core/attributedef.class.inc.php
+++ b/core/attributedef.class.inc.php
@@ -4365,9 +4365,13 @@ class AttributeExternalKey extends AttributeDBFieldVoid
 			$oTmpField = $oFormField;
 			$oFormField->SetOnFinalizeCallback(function() use ($oTmpField, $oTmpAttDef, $oObject)
 			{
-				$oSearch = DBSearch::FromOQL($oTmpAttDef->GetValuesDef()->GetFilterExpression());
-				$oSearch->SetInternalParams(array('this' => $oObject));
-				$oTmpField->SetSearch($oSearch);
+				// We set search object only if it has not already been set (overrided)
+				if ($oTmpField->GetSearch() === null)
+				{
+					$oSearch = DBSearch::FromOQL($oTmpAttDef->GetValuesDef()->GetFilterExpression());
+					$oSearch->SetInternalParams(array('this' => $oObject));
+					$oTmpField->SetSearch($oSearch);
+				}
 			});
 		}
 		else
diff --git a/datamodels/2.x/itop-portal-base/portal/src/forms/objectformmanager.class.inc.php b/datamodels/2.x/itop-portal-base/portal/src/forms/objectformmanager.class.inc.php
index 02ddbe909..871585564 100644
--- a/datamodels/2.x/itop-portal-base/portal/src/forms/objectformmanager.class.inc.php
+++ b/datamodels/2.x/itop-portal-base/portal/src/forms/objectformmanager.class.inc.php
@@ -29,6 +29,7 @@ use \MetaModel;
 use \CMDBSource;
 use \DBObject;
 use \DBObjectSet;
+use \DBSearch;
 use \DBObjectSearch;
 use \DBObjectSetComparator;
 use \InlineImage;
@@ -529,6 +530,25 @@ class ObjectFormManager extends FormManager
 							$oField->SetInformationEndpoint($this->oApp['url_generator']->generate('p_object_get_informations_json'));
 						}
 					}
+					// - Field that require to apply scope on its DM OQL
+					if (in_array(get_class($oField), array('Combodo\\iTop\\Form\\Field\\SelectObjectField')))
+					{
+						if ($this->oApp !== null)
+						{
+							$oScopeOriginal = ($oField->GetSearch() !== null) ? $oField->GetSearch() : DBSearch::FromOQL($oAttDef->GetValuesDef()->GetFilterExpression());
+							
+							$oScopeSearch = $this->oApp['scope_validator']->GetScopeFilterForProfiles(UserRights::ListProfiles(), $oScopeOriginal->GetClass(), UR_ACTION_READ);
+							if ($oScopeSearch === null)
+							{
+								IssueLog::Info(__METHOD__ . ' at line ' . __LINE__ . ' : User #' . UserRights::GetUserId() . ' has no scope query for ' . $sTargetObjectClass . ' class.');
+								$this->oApp->abort(404, Dict::S('UI:ObjectDoesNotExist'));
+							}
+
+							$oScopeOriginal = $oScopeOriginal->Intersect($oScopeSearch);
+							$oScopeOriginal->SetInternalParams(array('this' => $this->oObject));
+							$oField->SetSearch($oScopeOriginal);
+						}
+					}
 					// - Field that require processing on their subfields
 					if (in_array(get_class($oField), array('Combodo\\iTop\\Form\\Field\\SubFormField')))
 					{
@@ -986,7 +1006,7 @@ class ObjectFormManager extends FormManager
 						else
 						{
 							$this->oObject->Set($sAttCode, $value);
-					}
+						}
 					}
 				}
 				$this->oObject->DoComputeValues();