diff --git a/projects/tier-to-delius/src/main/kotlin/uk/gov/justice/digital/hmpps/controller/CrnEmitter.kt b/projects/tier-to-delius/src/main/kotlin/uk/gov/justice/digital/hmpps/controller/CrnEmitter.kt
index bef0646824..0d51ebe9cf 100644
--- a/projects/tier-to-delius/src/main/kotlin/uk/gov/justice/digital/hmpps/controller/CrnEmitter.kt
+++ b/projects/tier-to-delius/src/main/kotlin/uk/gov/justice/digital/hmpps/controller/CrnEmitter.kt
@@ -1,11 +1,12 @@
 package uk.gov.justice.digital.hmpps.controller
 
 import org.springframework.beans.factory.annotation.Value
+import org.springframework.http.MediaType
 import org.springframework.stereotype.Controller
 import org.springframework.transaction.PlatformTransactionManager
 import org.springframework.transaction.support.TransactionTemplate
 import org.springframework.web.bind.annotation.GetMapping
-import org.springframework.web.servlet.mvc.method.annotation.SseEmitter
+import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyEmitter
 import uk.gov.justice.digital.hmpps.service.CrnStreamingService
 import java.util.concurrent.Executors
 
@@ -18,11 +19,11 @@ class CrnEmitter(
     private val executorService = Executors.newSingleThreadExecutor()
 
     @GetMapping("/probation-cases")
-    fun handleSse(): SseEmitter = SseEmitter(timeout).also { emitter ->
+    fun handleSse(): ResponseBodyEmitter = ResponseBodyEmitter(timeout).also { emitter ->
         executorService.execute {
             TransactionTemplate(transactionManager).execute {
                 crnStreamingService.getActiveCrns().use { stream ->
-                    stream.forEach { emitter.send(it) }
+                    stream.forEach { emitter.send(it + System.lineSeparator(), MediaType.TEXT_PLAIN) }
                     emitter.complete()
                 }
             }