diff --git a/CHANGES.md b/CHANGES.md
index 421a7e9bd2..bb37c0de64 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -8,6 +8,7 @@ Improvements 🙌:
  - Add "show password" in import Megolm keys dialog
 
 Bugfix 🐛:
+ - User Verification in DM not working
  - Manual import of Megolm keys does back up the imported keys
 
 Translations 🗣:
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/verification/SendVerificationMessageWorker.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/verification/SendVerificationMessageWorker.kt
index 2b7d26e76b..494ef842fd 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/verification/SendVerificationMessageWorker.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/verification/SendVerificationMessageWorker.kt
@@ -25,6 +25,7 @@ import org.matrix.android.sdk.api.failure.shouldBeRetried
 import org.matrix.android.sdk.api.session.crypto.CryptoService
 import org.matrix.android.sdk.api.session.events.model.Event
 import org.matrix.android.sdk.internal.crypto.tasks.SendVerificationMessageTask
+import org.matrix.android.sdk.internal.session.room.send.CancelSendTracker
 import org.matrix.android.sdk.internal.worker.SessionWorkerParams
 import org.matrix.android.sdk.internal.worker.WorkerParamsFactory
 import org.matrix.android.sdk.internal.worker.getSessionComponent
@@ -52,6 +53,8 @@ internal class SendVerificationMessageWorker(context: Context,
     @Inject
     lateinit var cryptoService: CryptoService
 
+    @Inject lateinit var cancelSendTracker: CancelSendTracker
+
     override suspend fun doWork(): Result {
         val errorOutputData = Data.Builder().putBoolean(OUTPUT_KEY_FAILED, true).build()
         val params = WorkerParamsFactory.fromData<Params>(inputData)
@@ -63,7 +66,17 @@ internal class SendVerificationMessageWorker(context: Context,
                     Timber.e("Unknown Session, cannot send message, sessionId: ${params.sessionId}")
                 }
         sessionComponent.inject(this)
+
         val localId = params.event.eventId ?: ""
+
+        if (cancelSendTracker.isCancelRequestedFor(localId, params.event.roomId)) {
+            return Result.success()
+                    .also {
+                        cancelSendTracker.markCancelled(localId, params.event.roomId ?: "")
+                        Timber.e("## SendEvent: Event sending has been cancelled $localId")
+                    }
+        }
+
         return try {
             val eventId = sendVerificationMessageTask.execute(
                     SendVerificationMessageTask.Params(
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/verification/VerificationTransportRoomMessage.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/verification/VerificationTransportRoomMessage.kt
index 69f00ce359..25c0b07a3c 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/verification/VerificationTransportRoomMessage.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/verification/VerificationTransportRoomMessage.kt
@@ -115,20 +115,31 @@ internal class VerificationTransportRoomMessage(
         val observer = object : Observer<List<WorkInfo>> {
             override fun onChanged(workInfoList: List<WorkInfo>?) {
                 workInfoList
-                        ?.filter { it.state == WorkInfo.State.SUCCEEDED }
                         ?.firstOrNull { it.id == enqueueInfo.second }
                         ?.let { wInfo ->
-                            if (SendVerificationMessageWorker.hasFailed(wInfo.outputData)) {
-                                Timber.e("## SAS verification [${tx?.transactionId}] failed to send verification message in state : ${tx?.state}")
-                                tx?.cancel(onErrorReason)
-                            } else {
-                                if (onDone != null) {
-                                    onDone()
-                                } else {
-                                    tx?.state = nextState
+
+                            when (wInfo.state) {
+                                WorkInfo.State.FAILED -> {
+                                    tx?.cancel(onErrorReason)
+                                    workLiveData.removeObserver(this)
+                                }
+                                WorkInfo.State.SUCCEEDED -> {
+                                    if (SendVerificationMessageWorker.hasFailed(wInfo.outputData)) {
+                                        Timber.e("## SAS verification [${tx?.transactionId}] failed to send verification message in state : ${tx?.state}")
+                                        tx?.cancel(onErrorReason)
+                                    } else {
+                                        if (onDone != null) {
+                                            onDone()
+                                        } else {
+                                            tx?.state = nextState
+                                        }
+                                    }
+                                    workLiveData.removeObserver(this)
+                                }
+                                else -> {
+                                    // nop
                                 }
                             }
-                            workLiveData.removeObserver(this)
                         }
             }
         }
@@ -184,7 +195,7 @@ internal class VerificationTransportRoomMessage(
                 .build()
 
         workManagerProvider.workManager
-                .beginUniqueWork("${roomId}_VerificationWork", ExistingWorkPolicy.APPEND, workRequest)
+                .beginUniqueWork("${roomId}_VerificationWork", ExistingWorkPolicy.APPEND_OR_REPLACE, workRequest)
                 .enqueue()
 
         // I cannot just listen to the given work request, because when used in a uniqueWork,
@@ -280,7 +291,7 @@ internal class VerificationTransportRoomMessage(
                 .setBackoffCriteria(BackoffPolicy.LINEAR, 2_000L, TimeUnit.MILLISECONDS)
                 .build()
         return workManagerProvider.workManager
-                .beginUniqueWork(uniqueQueueName(), ExistingWorkPolicy.APPEND, workRequest)
+                .beginUniqueWork(uniqueQueueName(), ExistingWorkPolicy.APPEND_OR_REPLACE, workRequest)
                 .enqueue() to workRequest.id
     }
 
diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/network/parsing/CheckNumberType.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/network/parsing/CheckNumberType.kt
index d4ceca2006..40ba02ef6d 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/network/parsing/CheckNumberType.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/network/parsing/CheckNumberType.kt
@@ -49,7 +49,7 @@ interface CheckNumberType {
                             val numberAsString = reader.nextString()
                             val decimal = BigDecimal(numberAsString)
                             if (decimal.scale() <= 0) {
-                                decimal.intValueExact()
+                                decimal.longValueExact()
                             } else {
                                 decimal.toDouble()
                             }