diff --git a/CHANGELOG.md b/CHANGELOG.md
index e493d4e5..22e05cb9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # Changelog
 
 ### Unreleased
+- Fix inability to materialize without supplying a topic name
 
 ### [0.9.6] - [2022-08-01]
 
diff --git a/src/jackdaw/streams/interop.clj b/src/jackdaw/streams/interop.clj
index e853087b..9c6b4d62 100644
--- a/src/jackdaw/streams/interop.clj
+++ b/src/jackdaw/streams/interop.clj
@@ -38,9 +38,11 @@
   (Grouped/with key-serde value-serde))
 
 (defn topic->materialized [{:keys [topic-name key-serde value-serde]}]
-  (cond-> (Materialized/as ^String topic-name)
-    key-serde (.withKeySerde key-serde)
-    value-serde (.withValueSerde value-serde)))
+  (if topic-name
+    (cond-> (Materialized/as ^String topic-name)
+      key-serde (.withKeySerde key-serde)
+      value-serde (.withValueSerde value-serde))
+    (Materialized/with key-serde value-serde)))
 
 (defn suppress-config->suppressed
   [{:keys [max-records max-bytes until-time-limit-ms]}]
diff --git a/test/jackdaw/streams/interop_test.clj b/test/jackdaw/streams/interop_test.clj
new file mode 100644
index 00000000..2eac60bd
--- /dev/null
+++ b/test/jackdaw/streams/interop_test.clj
@@ -0,0 +1,15 @@
+(ns jackdaw.streams.interop-test
+  (:require
+    [clojure.test :refer :all]
+    [jackdaw.streams.interop :as interop])
+  (:import
+    (org.apache.kafka.common.serialization
+      Serdes)))
+
+(deftest topic->materialized-test
+  (testing "materialized with serde only doesn't smoke"
+    (is (interop/topic->materialized {:key-serde (Serdes/String)
+                                      :value-serde (Serdes/String)})))
+  (testing "materialized with topic name and serde doesn't smoke"
+    (is (interop/topic->materialized {:key-serde (Serdes/String)
+                                      :value-serde (Serdes/String)}))))