diff --git a/prj/coherence-core/src/main/java/com/tangosol/util/InvocableMap.java b/prj/coherence-core/src/main/java/com/tangosol/util/InvocableMap.java
index 1ccffde17482..d77a652f97ff 100644
--- a/prj/coherence-core/src/main/java/com/tangosol/util/InvocableMap.java
+++ b/prj/coherence-core/src/main/java/com/tangosol/util/InvocableMap.java
@@ -176,11 +176,12 @@ public default <R> R aggregate(EntryAggregator<? super K, ? super V, R> aggregat
     public default V getOrDefault(Object key, V defaultValue)
         {
         Object[] aoResult = invoke((K) key, entry -> {
-            if (entry.isPresent())
+            V value = entry.getValue();
+            if (value != null || entry.isPresent())
                 {
-                return new Object[]{true, entry.getValue()};
+                return new Object[] {true, value};
                 }
-            return new Object[]{false};
+            return new Object[] {false};
         });
 
         if (Boolean.TRUE.equals(aoResult[0]))
diff --git a/prj/coherence-testing-support/src/main/java/com/oracle/coherence/testing/TestBinaryCacheStore.java b/prj/coherence-testing-support/src/main/java/com/oracle/coherence/testing/TestBinaryCacheStore.java
index 5ed1934680d9..3f1b0a063e5f 100644
--- a/prj/coherence-testing-support/src/main/java/com/oracle/coherence/testing/TestBinaryCacheStore.java
+++ b/prj/coherence-testing-support/src/main/java/com/oracle/coherence/testing/TestBinaryCacheStore.java
@@ -1,8 +1,8 @@
 /*
- * Copyright (c) 2000, 2022, Oracle and/or its affiliates.
+ * Copyright (c) 2000, 2024, Oracle and/or its affiliates.
  *
  * Licensed under the Universal Permissive License v 1.0 as shown at
- * http://oss.oracle.com/licenses/upl.
+ * https://oss.oracle.com/licenses/upl.
  */
 
 package com.oracle.coherence.testing;
@@ -88,6 +88,13 @@ public void load(BinaryEntry binEntry)
         log(isVerboseLoad(), "load[BinaryEntry](" + oKey + ")");
         logMethodInvocation("load");
 
+        // Note: This is for the getOrDefault() test in ReadWriteBackingMapTests.readThroughBasic()
+        // when the entry does not exist.
+        if (!getStorageMap().containsKey(oKey) && oKey.equals("Key10"))
+            {
+            binEntry.setValue(oKey);
+            }
+
         delay(getDurationLoad());
 
         checkForFailure(getFailureKeyLoad(), oKey);
diff --git a/prj/coherence-testing-support/src/main/java/com/oracle/coherence/testing/TestCacheStore.java b/prj/coherence-testing-support/src/main/java/com/oracle/coherence/testing/TestCacheStore.java
index 6aa99a207bb1..658619ccd1d6 100644
--- a/prj/coherence-testing-support/src/main/java/com/oracle/coherence/testing/TestCacheStore.java
+++ b/prj/coherence-testing-support/src/main/java/com/oracle/coherence/testing/TestCacheStore.java
@@ -1,8 +1,8 @@
 /*
- * Copyright (c) 2000, 2022, Oracle and/or its affiliates.
+ * Copyright (c) 2000, 2024, Oracle and/or its affiliates.
  *
  * Licensed under the Universal Permissive License v 1.0 as shown at
- * http://oss.oracle.com/licenses/upl.
+ * https://oss.oracle.com/licenses/upl.
  */
 
 package com.oracle.coherence.testing;
@@ -85,6 +85,13 @@ public Object load(Object oKey)
         log(isVerboseLoad(), "load(" + oKey + ")");
         logMethodInvocation("load");
 
+        // Note: This is for the getOrDefault() test in ReadWriteBackingMapTests.readThroughBasic()
+        // when the entry does not exist.
+        if (!getStorageMap().containsKey(oKey) && oKey.equals("Key10"))
+            {
+            return oKey;
+            }
+
         delay(getDurationLoad());
 
         checkForFailure(getFailureKeyLoad(), oKey);
diff --git a/prj/test/functional/rwbm/src/main/java/rwbm/ReadWriteBackingMapTests.java b/prj/test/functional/rwbm/src/main/java/rwbm/ReadWriteBackingMapTests.java
index 25f7a136e87c..616d59d33107 100644
--- a/prj/test/functional/rwbm/src/main/java/rwbm/ReadWriteBackingMapTests.java
+++ b/prj/test/functional/rwbm/src/main/java/rwbm/ReadWriteBackingMapTests.java
@@ -566,6 +566,15 @@ private void readThroughBasic(String sCacheName)
 
             // reset
             cache.clear();
+
+            // Test getOrDefault() to make sure that the call gets through to the cache store.
+            // For the purpose of this test, when the entry does not exist,
+            // the cache store load("Key10") (TestBinaryCacheStore, TestCacheStore)
+            // returns the key as its value.
+            String sExpected = (String) cache.getOrDefault("Key10", "V10");
+            assertEquals(sExpected, "Key10");
+            cache.clear();
+
             store.getStorageMap().putAll(mapContents);
             store.resetStats();