diff --git a/src/main/java/io/github/robwin/markup/builder/markdown/MarkdownBuilder.java b/src/main/java/io/github/robwin/markup/builder/markdown/MarkdownBuilder.java
index 01dcaebf..d9cb1551 100644
--- a/src/main/java/io/github/robwin/markup/builder/markdown/MarkdownBuilder.java
+++ b/src/main/java/io/github/robwin/markup/builder/markdown/MarkdownBuilder.java
@@ -165,7 +165,10 @@ public class MarkdownBuilder extends AbstractMarkupDocBuilder
         StringBuilder stringBuilder = new StringBuilder();
         if (text == null)
             text = anchor.trim();
-        stringBuilder.append("[").append(text).append("](#").append(normalizeReferenceAnchor(anchor)).append(")");
+        stringBuilder.append("[").append(text).append("]").append("(");
+        if (document != null)
+            stringBuilder.append(document);
+        stringBuilder.append("#").append(normalizeReferenceAnchor(anchor)).append(")");
         return stringBuilder.toString();
     }
 
diff --git a/src/test/java/io/github/robwin/markup/builder/MarkupDocBuilderTest.java b/src/test/java/io/github/robwin/markup/builder/MarkupDocBuilderTest.java
index db1fa958..0188c3a3 100644
--- a/src/test/java/io/github/robwin/markup/builder/MarkupDocBuilderTest.java
+++ b/src/test/java/io/github/robwin/markup/builder/MarkupDocBuilderTest.java
@@ -105,9 +105,9 @@ public class MarkupDocBuilderTest {
                 .unorderedList(Arrays.asList("Entry1", "Entry2", "Entry 2"))
                 .anchor("anchor", "text").newLine()
                 .anchor("  \u0240 µ&|ù This .:/-_#  ").newLine()
-                .crossReferenceAnchor("./document.adoc", "anchor", "text").newLine()
+                .crossReferenceAnchor("./document.md", "anchor", "text").newLine()
                 .crossReferenceAnchor("  \u0240 µ&|ù This .:/-_  ").newLine()
-                .crossReference("./document.adoc", "anchor", "text").newLine()
+                .crossReference("./document.md", "anchor", "text").newLine()
                 .crossReference("  \u0240 µ&|ù This .:/-_  ").newLine()
                 .writeToFile("build/tmp", "test", StandardCharsets.UTF_8);
     }