diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/DefaultSession.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/DefaultSession.kt
index 68af23b9a5..359dd265d8 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/DefaultSession.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/DefaultSession.kt
@@ -207,6 +207,7 @@ internal class DefaultSession @Inject constructor(
         cryptoService.get().close()
         isOpen = false
         eventBus.unregister(this)
+        eventSenderProcessor.interrupt()
     }
 
     override fun getSyncStateLive() = getSyncThread().liveState()