diff --git a/src/main/java/com/flowingcode/vaadin/addons/markdown/MarkdownEditor.java b/src/main/java/com/flowingcode/vaadin/addons/markdown/MarkdownEditor.java
index 0491822..c4a4f85 100644
--- a/src/main/java/com/flowingcode/vaadin/addons/markdown/MarkdownEditor.java
+++ b/src/main/java/com/flowingcode/vaadin/addons/markdown/MarkdownEditor.java
@@ -37,7 +37,7 @@ public class MarkdownEditor extends BaseMarkdownComponent {
    * Constructor with empty content.
    */
   public MarkdownEditor() {
-    super(null);
+    super("");
   }
 
   /**