diff --git a/java/test/processing/mode/java/debug/VariableNodeTests.java b/java/test/processing/mode/java/debug/VariableNodeTests.java
index fb03d2432..f8763b934 100644
--- a/java/test/processing/mode/java/debug/VariableNodeTests.java
+++ b/java/test/processing/mode/java/debug/VariableNodeTests.java
@@ -10,6 +10,12 @@ import org.mockito.Mockito;
 
 public class VariableNodeTests {
 
+  @Test
+  public void describeNull() {
+    VariableNode node = new VariableNode("test", "null", null);
+    Assert.assertEquals(node.getStringValue(), "null");
+  }
+
   @Test
   public void describeInt() {
     Value value = buildMockValue("5");