diff --git a/src/main/java/com/michelin/ns4kafka/service/ConnectClusterService.java b/src/main/java/com/michelin/ns4kafka/service/ConnectClusterService.java
index 834e5786..e0e27810 100644
--- a/src/main/java/com/michelin/ns4kafka/service/ConnectClusterService.java
+++ b/src/main/java/com/michelin/ns4kafka/service/ConnectClusterService.java
@@ -264,9 +264,11 @@ public ConnectCluster create(ConnectCluster connectCluster) {
     public Mono<List<String>> validateConnectClusterCreation(ConnectCluster connectCluster) {
         List<String> errors = new ArrayList<>();
 
-        if (managedClusterProperties.stream().anyMatch(cluster ->
-            cluster.getConnects().entrySet().stream()
-                .anyMatch(entry -> entry.getKey().equals(connectCluster.getMetadata().getName())))) {
+        if (managedClusterProperties.stream()
+                .filter(cluster -> cluster.getConnects() != null)
+                .anyMatch(cluster -> cluster.getConnects().entrySet()
+                    .stream()
+                    .anyMatch(entry -> entry.getKey().equals(connectCluster.getMetadata().getName())))) {
             errors.add(invalidConnectClusterNameAlreadyExistGlobally(connectCluster.getMetadata().getName()));
         }
 
diff --git a/src/test/java/com/michelin/ns4kafka/service/ConnectClusterServiceTest.java b/src/test/java/com/michelin/ns4kafka/service/ConnectClusterServiceTest.java
index e21c0180..d3f00b57 100644
--- a/src/test/java/com/michelin/ns4kafka/service/ConnectClusterServiceTest.java
+++ b/src/test/java/com/michelin/ns4kafka/service/ConnectClusterServiceTest.java
@@ -541,6 +541,47 @@ void createCredentialsEncrypted() {
         assertNotEquals("myAES256Salt", connectCluster.getSpec().getAes256Salt());
     }
 
+    @Test
+    void validateConnectClusterCreationWhenNoNs4ConnectConfig() {
+        ManagedClusterProperties kafka = new ManagedClusterProperties("local");
+        when(managedClusterPropertiesList.stream()).thenReturn(Stream.of(kafka));
+        when(httpClient.retrieve(any(MutableHttpRequest.class), eq(ServerInfo.class)))
+            .thenReturn(Mono.just(ServerInfo.builder().build()));
+
+        ConnectCluster connectCluster = ConnectCluster.builder()
+            .metadata(Metadata.builder().name("test-connect")
+                .build())
+            .spec(ConnectCluster.ConnectClusterSpec.builder()
+                .url("https://after")
+                .build())
+            .build();
+
+        StepVerifier.create(connectClusterService.validateConnectClusterCreation(connectCluster))
+            .consumeNextWith(errors -> assertTrue(errors.isEmpty()))
+            .verifyComplete();
+    }
+
+    @Test
+    void validateConnectClusterCreationNotAlreadyDefined() {
+        ManagedClusterProperties kafka = new ManagedClusterProperties("local");
+        kafka.setConnects(Map.of("test-connect", new ManagedClusterProperties.ConnectProperties()));
+        when(managedClusterPropertiesList.stream()).thenReturn(Stream.of(kafka));
+        when(httpClient.retrieve(any(MutableHttpRequest.class), eq(ServerInfo.class)))
+            .thenReturn(Mono.just(ServerInfo.builder().build()));
+
+        ConnectCluster connectCluster = ConnectCluster.builder()
+            .metadata(Metadata.builder().name("test-connect2")
+                .build())
+            .spec(ConnectCluster.ConnectClusterSpec.builder()
+                .url("https://after")
+                .build())
+            .build();
+
+        StepVerifier.create(connectClusterService.validateConnectClusterCreation(connectCluster))
+            .consumeNextWith(errors -> assertTrue(errors.isEmpty()))
+            .verifyComplete();
+    }
+
     @Test
     void validateConnectClusterCreationAlreadyDefined() {
         ManagedClusterProperties kafka = new ManagedClusterProperties("local");