diff --git a/node/src/integration-test/kotlin/net/corda/node/flows/FlowSessionCloseTest.kt b/node/src/integration-test/kotlin/net/corda/node/flows/FlowSessionCloseTest.kt
index b7abe4249f..d1825cd142 100644
--- a/node/src/integration-test/kotlin/net/corda/node/flows/FlowSessionCloseTest.kt
+++ b/node/src/integration-test/kotlin/net/corda/node/flows/FlowSessionCloseTest.kt
@@ -185,7 +185,9 @@ class FlowSessionCloseTest {
             }
 
             session.send(responderReaction)
-            sleep(1.seconds)
+
+            // Give time to the other flow to receive the message, close its session and send the end session message back
+            sleep(5.seconds)
 
             if (accessClosedSessionWithApi != null) {
                 when(accessClosedSessionWithApi) {
@@ -291,4 +293,4 @@ class FlowSessionCloseTest {
         }
     }
 
-}
\ No newline at end of file
+}