diff --git a/src/test/java/org/opensearch/knn/index/KNNMethodContextTests.java b/src/test/java/org/opensearch/knn/index/KNNMethodContextTests.java
index 902046983..30503d7ed 100644
--- a/src/test/java/org/opensearch/knn/index/KNNMethodContextTests.java
+++ b/src/test/java/org/opensearch/knn/index/KNNMethodContextTests.java
@@ -239,6 +239,21 @@ public void testParse_invalid() throws IOException {
         expectThrows(MapperParsingException.class, () -> MethodComponentContext.parse(in7));
     }
 
+    /**
+     * Test context method parsing when parameters are set to null
+     */
+    public void testParse_nullParameters() throws IOException {
+        String methodName = "test-method";
+        XContentBuilder xContentBuilder = XContentFactory.jsonBuilder()
+                .startObject()
+                .field(NAME, methodName)
+                .field(PARAMETERS, (String) null)
+                .endObject();
+        Map<String, Object> in = xContentBuilderToMap(xContentBuilder);
+        KNNMethodContext knnMethodContext = KNNMethodContext.parse(in);
+        assertTrue(knnMethodContext.getMethodComponent().getParameters().isEmpty());
+    }
+
     /**
      * Test context method parsing when input is valid
      */
diff --git a/src/test/java/org/opensearch/knn/index/MethodComponentContextTests.java b/src/test/java/org/opensearch/knn/index/MethodComponentContextTests.java
index cf65dd285..14b8bf4d0 100644
--- a/src/test/java/org/opensearch/knn/index/MethodComponentContextTests.java
+++ b/src/test/java/org/opensearch/knn/index/MethodComponentContextTests.java
@@ -107,6 +107,21 @@ public void testGetParameters() throws IOException {
         assertEquals(paramVal2, methodContext.getParameters().get(paramKey2));
     }
 
+    /**
+     * Test method component context parsing when parameters are set to null
+     */
+    public void testParse_nullParameters() throws IOException {
+        String name = "test-name";
+        XContentBuilder xContentBuilder = XContentFactory.jsonBuilder()
+                .startObject()
+                .field(NAME, name)
+                .field(PARAMETERS, (String) null)
+                .endObject();
+        Map<String, Object> in = xContentBuilderToMap(xContentBuilder);
+        MethodComponentContext methodComponentContext = MethodComponentContext.parse(in);
+        assertTrue(methodComponentContext.getParameters().isEmpty());
+    }
+
     /**
      * Test parse where input is valid
      */