diff --git a/kie-wb-common-dmn/kie-wb-common-dmn-client/src/main/java/org/kie/workbench/common/dmn/client/widgets/grid/columns/factory/dom/MonacoEditorWidget.java b/kie-wb-common-dmn/kie-wb-common-dmn-client/src/main/java/org/kie/workbench/common/dmn/client/widgets/grid/columns/factory/dom/MonacoEditorWidget.java
index 1f65d6a1c81..951f2babb45 100644
--- a/kie-wb-common-dmn/kie-wb-common-dmn-client/src/main/java/org/kie/workbench/common/dmn/client/widgets/grid/columns/factory/dom/MonacoEditorWidget.java
+++ b/kie-wb-common-dmn/kie-wb-common-dmn-client/src/main/java/org/kie/workbench/common/dmn/client/widgets/grid/columns/factory/dom/MonacoEditorWidget.java
@@ -17,6 +17,7 @@
 package org.kie.workbench.common.dmn.client.widgets.grid.columns.factory.dom;
 
 import com.google.gwt.dom.client.Document;
+import elemental2.dom.Element;
 import jsinterop.base.Js;
 import org.gwtbootstrap3.client.ui.base.TextBoxBase;
 import org.kie.workbench.common.dmn.client.widgets.codecompletion.MonacoPropertiesFactory;
@@ -31,10 +32,17 @@ public class MonacoEditorWidget extends TextBoxBase {
 
     public MonacoEditorWidget() {
         super(Document.get().createDivElement());
-        codeEditor = monacoEditor.create(Js.uncheckedCast(getElement()),
+        codeEditor = monacoEditor.create(getMonacoEditorWidgetElement(),
                                          monacoPropertiesFactory.getConstructionOptions());
     }
 
+    /**
+     * for testing
+     */
+    public Element getMonacoEditorWidgetElement() {
+        return Js.uncheckedCast(getElement());
+    }
+
     /**
      * for testing
      */
diff --git a/kie-wb-common-dmn/kie-wb-common-dmn-client/src/test/java/org/kie/workbench/common/dmn/client/widgets/grid/columns/factory/AutocompleteTextAreaDOMElementFactoryTest.java b/kie-wb-common-dmn/kie-wb-common-dmn-client/src/test/java/org/kie/workbench/common/dmn/client/widgets/grid/columns/factory/AutocompleteTextAreaDOMElementFactoryTest.java
index a68f92670b8..3ffa49a4586 100644
--- a/kie-wb-common-dmn/kie-wb-common-dmn-client/src/test/java/org/kie/workbench/common/dmn/client/widgets/grid/columns/factory/AutocompleteTextAreaDOMElementFactoryTest.java
+++ b/kie-wb-common-dmn/kie-wb-common-dmn-client/src/test/java/org/kie/workbench/common/dmn/client/widgets/grid/columns/factory/AutocompleteTextAreaDOMElementFactoryTest.java
@@ -140,6 +140,11 @@ static class AutocompleteTextAreaDOMElementFactoryFake extends AutocompleteTextA
             super(gridPanel, gridLayer, gridWidget, sessionManager, sessionCommandManager, hasNoValueCommand, hasValueCommand);
         }
 
+        @Override
+        public MonacoEditorWidget createWidget() {
+            return mock(MonacoEditorWidget.class);
+        }
+
         @Override
         protected MonacoEditorDOMElement makeMonacoEditorDOMElement(final MonacoEditorWidget widget,
                                                                     final GridLayer gridLayer,