diff --git a/CHANGELOG.md b/CHANGELOG.md
index c6093bfe19..f91dd824b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -40,6 +40,7 @@ This section is for maintaining a changelog for all breaking changes for the cli
 ### Removed
 
 ### Fixed
+- Fixed error when deserializing a normalizer without 'type' ([#1111](https://github.com/opensearch-project/opensearch-java/pull/1111))
 
 ### Security
 
@@ -512,4 +513,4 @@ This section is for maintaining a changelog for all breaking changes for the cli
 [2.5.0]: https://github.com/opensearch-project/opensearch-java/compare/v2.4.0...v2.5.0
 [2.4.0]: https://github.com/opensearch-project/opensearch-java/compare/v2.3.0...v2.4.0
 [2.3.0]: https://github.com/opensearch-project/opensearch-java/compare/v2.2.0...v2.3.0
-[2.2.0]: https://github.com/opensearch-project/opensearch-java/compare/v2.1.0...v2.2.0
\ No newline at end of file
+[2.2.0]: https://github.com/opensearch-project/opensearch-java/compare/v2.1.0...v2.2.0
diff --git a/java-client/src/main/java/org/opensearch/client/opensearch/_types/analysis/Normalizer.java b/java-client/src/main/java/org/opensearch/client/opensearch/_types/analysis/Normalizer.java
index de7342afcd..a357215809 100644
--- a/java-client/src/main/java/org/opensearch/client/opensearch/_types/analysis/Normalizer.java
+++ b/java-client/src/main/java/org/opensearch/client/opensearch/_types/analysis/Normalizer.java
@@ -186,7 +186,7 @@ protected static void setupNormalizerDeserializer(ObjectDeserializer<Builder> op
         op.add(Builder::custom, CustomNormalizer._DESERIALIZER, "custom");
         op.add(Builder::lowercase, LowercaseNormalizer._DESERIALIZER, "lowercase");
 
-        op.setTypeProperty("type", null);
+        op.setTypeProperty("type", Kind.Custom.jsonValue());
 
     }
 
diff --git a/java-client/src/test/java/org/opensearch/client/opensearch/_types/analysis/NormalizerDeserializerTest.java b/java-client/src/test/java/org/opensearch/client/opensearch/_types/analysis/NormalizerDeserializerTest.java
new file mode 100644
index 0000000000..5c9d7c7a13
--- /dev/null
+++ b/java-client/src/test/java/org/opensearch/client/opensearch/_types/analysis/NormalizerDeserializerTest.java
@@ -0,0 +1,24 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ */
+
+package org.opensearch.client.opensearch._types.analysis;
+
+import org.junit.Test;
+import org.opensearch.client.opensearch.model.ModelTestCase;
+
+public class NormalizerDeserializerTest extends ModelTestCase {
+
+    @Test
+    public void deserializesTypelessCustomAnalyzer() {
+        String json = "{\n" + "          \"filter\": \"lowercase\"\n" + "      }";
+
+        Normalizer normalizer = fromJson(json, Normalizer._DESERIALIZER);
+        assertTrue(normalizer.isCustom());
+        assertEquals("lowercase", normalizer.custom().filter().get(0));
+    }
+}