diff --git a/src/test/java/org/apache/commons/lang3/ObjectUtilsTest.java b/src/test/java/org/apache/commons/lang3/ObjectUtilsTest.java
index 22f3e8e2b..84059f4ab 100644
--- a/src/test/java/org/apache/commons/lang3/ObjectUtilsTest.java
+++ b/src/test/java/org/apache/commons/lang3/ObjectUtilsTest.java
@@ -118,6 +118,8 @@ public void testDefaultIfNull() {
         assertSame(o, ObjectUtils.defaultIfNull(o, dflt), "dflt was returned when o was not null");
         assertSame(dflt, ObjectUtils.defaultIfNull(null, () -> dflt), "dflt was not returned when o was null");
         assertSame(o, ObjectUtils.defaultIfNull(o, () -> dflt), "dflt was returned when o was not null");
+        assertSame(o, ObjectUtils.defaultIfNull(FOO, () -> dflt), "dflt was returned when o was not null");
+        assertSame(o, ObjectUtils.defaultIfNull("foo", () -> dflt), "dflt was returned when o was not null");
         MutableInt callsCounter = new MutableInt(0);
         Supplier<Object> countingDefaultSupplier = () -> {
             callsCounter.increment();