diff --git a/src/app/qgsattributerelationedit.cpp b/src/app/qgsattributerelationedit.cpp
index 941f24a3ada..79b3b6593b9 100644
--- a/src/app/qgsattributerelationedit.cpp
+++ b/src/app/qgsattributerelationedit.cpp
@@ -12,12 +12,20 @@ QgsAttributeRelationEdit::~QgsAttributeRelationEdit()
 {
 }
 
+void QgsAttributeRelationEdit::setCardinalityCombo( const QString &cardinalityComboItem )
+{
+  coCardinality->addItem( cardinalityComboItem );
+}
+
 void QgsAttributeRelationEdit::setCardinality( const QString &cardinality )
 {
-  leCardinality->setText( cardinality );
+  int idx = coCardinality->findText( cardinality );
+
+  if ( idx != -1 )
+    coCardinality->setCurrentIndex( idx );
 }
 
 QString QgsAttributeRelationEdit::cardinality()
 {
-  return leCardinality->text();
+  return coCardinality->currentText();
 }
diff --git a/src/app/qgsattributerelationedit.h b/src/app/qgsattributerelationedit.h
index 5cf4e2cc983..506dd17c8c4 100644
--- a/src/app/qgsattributerelationedit.h
+++ b/src/app/qgsattributerelationedit.h
@@ -28,12 +28,17 @@ class APP_EXPORT QgsAttributeRelationEdit: public QWidget, private Ui::QgsAttrib
     ~QgsAttributeRelationEdit();
 
   /**
-   * Setter for lable alias
+   * Setter for combo cardinality item
+   */
+  void setCardinalityCombo( const QString &cardinalityComboItem );
+
+  /**
+   * Setter for combo cardinality
    */
   void setCardinality( const QString &cardinality );
 
   /**
-   * Getter for lable alias
+   * Getter for combo cardinality
    */
   QString cardinality();
 
diff --git a/src/app/qgsattributesformproperties.cpp b/src/app/qgsattributesformproperties.cpp
index 04c9a37557f..c6cbc16698e 100644
--- a/src/app/qgsattributesformproperties.cpp
+++ b/src/app/qgsattributesformproperties.cpp
@@ -196,6 +196,8 @@ void QgsAttributesFormProperties::loadAttributeRelationEdit()
     RelationConfig cfg = currentItem->data( 0, RelationConfigRole).value<RelationConfig>();
 
     mAttributeRelationEdit = new QgsAttributeRelationEdit( currentItem->data( 0, FieldNameRole ).toString(), mAttributeTypeFrame );
+    mAttributeRelationEdit->setCardinalityCombo( "testoption 1");
+    mAttributeRelationEdit->setCardinalityCombo( "testoption 2");
     mAttributeRelationEdit->setCardinality( cfg.mCardinality );
 
     mAttributeRelationEdit->layout()->setMargin( 0 );
diff --git a/src/ui/qgsattributerelationedit.ui b/src/ui/qgsattributerelationedit.ui
index 3dbeaf73efb..97c66c0ca04 100644
--- a/src/ui/qgsattributerelationedit.ui
+++ b/src/ui/qgsattributerelationedit.ui
@@ -28,7 +28,7 @@
        </widget>
       </item>
       <item row="0" column="1">
-       <widget class="QLineEdit" name="leCardinality"/>
+       <widget class="QComboBox" name="coCardinality"/>
       </item>
      </layout>
     </widget>