diff --git a/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/NewTransferNavHost.kt b/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/NewTransferNavHost.kt
index 6c04aad2e..cee05be8e 100644
--- a/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/NewTransferNavHost.kt
+++ b/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/NewTransferNavHost.kt
@@ -53,7 +53,7 @@ fun NewTransferNavHost(navController: NavHostController, closeActivity: () -> Un
                     navController.navigate(UploadSuccessDestination(args.transferType, transferUrl))
                 },
                 navigateToUploadError = { navController.navigate(UploadErrorDestination) },
-                closeActivity = closeActivity,
+                navigateBackToImportFiles = { navController.popBackStack() },
             )
         }
         composable<UploadSuccessDestination> {
diff --git a/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/importfiles/ImportFilesScreen.kt b/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/importfiles/ImportFilesScreen.kt
index 0001d1354..8960c916b 100644
--- a/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/importfiles/ImportFilesScreen.kt
+++ b/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/importfiles/ImportFilesScreen.kt
@@ -153,7 +153,14 @@ private fun HandleSendActionResult(
 
     LaunchedEffect(getSendActionResult()) {
         when (val actionResult = getSendActionResult()) {
-            is SendActionResult.Success -> navigateToUploadProgress(transferType(), actionResult.totalSize)
+            is SendActionResult.Success -> {
+                // If the user cancels the transfer while in UploadProgress, we're gonna popBackStack to ImportFiles.
+                // If we don't reset the ImportFiles state machine, we'll automatically navigate-back to UploadProgress again.
+                // So, before leaving ImportFiles to go to UploadProgress, we need to reset the ImportFiles state machine.
+                // TODO: Maybe merging the 2 screens state machines into 1 could help simplify this ?
+                resetSendActionResult()
+                navigateToUploadProgress(transferType(), actionResult.totalSize)
+            }
             is SendActionResult.Failure -> {
                 snackbarHostState.showSnackbar(context.getString(R.string.errorUnknown))
                 resetSendActionResult()
diff --git a/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/upload/UploadProgressScreen.kt b/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/upload/UploadProgressScreen.kt
index 5c6a292db..69ad7570d 100644
--- a/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/upload/UploadProgressScreen.kt
+++ b/app/src/main/java/com/infomaniak/swisstransfer/ui/screen/newtransfer/upload/UploadProgressScreen.kt
@@ -49,7 +49,7 @@ fun UploadProgressScreen(
     totalSizeInBytes: Long,
     navigateToUploadSuccess: (String) -> Unit,
     navigateToUploadError: () -> Unit,
-    closeActivity: () -> Unit,
+    navigateBackToImportFiles: () -> Unit,
     uploadProgressViewModel: UploadProgressViewModel = hiltViewModel<UploadProgressViewModel>(),
 ) {
     val uiState by uploadProgressViewModel.transferProgressUiState.collectAsStateWithLifecycle()
@@ -66,7 +66,7 @@ fun UploadProgressScreen(
         uploadProgressViewModel.trackUploadProgress()
     }
 
-    HandleProgressState({ uiState }, navigateToUploadSuccess, navigateToUploadError)
+    HandleProgressState({ uiState }, navigateToUploadSuccess, navigateToUploadError, navigateBackToImportFiles)
 
     UploadProgressScreen(
         progressState = { uiState },
@@ -74,10 +74,7 @@ fun UploadProgressScreen(
         totalSizeInBytes = totalSizeInBytes,
         showBottomSheet = GetSetCallbacks(get = { showBottomSheet }, set = { showBottomSheet = it }),
         adScreenType = adScreenType,
-        onCancel = {
-            uploadProgressViewModel.cancelUpload()
-            closeActivity()
-        }
+        onCancel = { uploadProgressViewModel.cancelUpload() }
     )
 }
 
@@ -86,12 +83,14 @@ private fun HandleProgressState(
     uiState: () -> UploadProgressUiState,
     navigateToUploadSuccess: (String) -> Unit,
     navigateToUploadError: () -> Unit,
+    navigateBackToImportFiles: () -> Unit,
 ) {
     val currentUiState = uiState()
     LaunchedEffect(uiState()) {
         when (currentUiState) {
             is UploadProgressUiState.Success -> navigateToUploadSuccess(currentUiState.transferUrl)
             is UploadProgressUiState.Error -> navigateToUploadError()
+            is UploadProgressUiState.Cancel -> navigateBackToImportFiles()
             else -> Unit
         }
     }
@@ -129,7 +128,15 @@ private fun UploadProgressScreen(
             Spacer(Modifier.height(Margin.Huge))
         }
 
-        if (showBottomSheet.get()) CancelUploadBottomSheet(onCancel = onCancel, closeButtonSheet = { showBottomSheet.set(false) })
+        if (showBottomSheet.get()) {
+            CancelUploadBottomSheet(
+                onCancel = {
+                    onCancel()
+                    showBottomSheet.set(false)
+                },
+                closeButtonSheet = { showBottomSheet.set(false) },
+            )
+        }
     }
 }
 
diff --git a/app/src/main/java/com/infomaniak/swisstransfer/workers/UploadWorker.kt b/app/src/main/java/com/infomaniak/swisstransfer/workers/UploadWorker.kt
index 855c6236c..ad0710b40 100644
--- a/app/src/main/java/com/infomaniak/swisstransfer/workers/UploadWorker.kt
+++ b/app/src/main/java/com/infomaniak/swisstransfer/workers/UploadWorker.kt
@@ -123,7 +123,8 @@ class UploadWorker @AssistedInject constructor(
                 return@mapLatest when (workInfo.state) {
                     State.RUNNING -> UploadProgressUiState.Progress(workInfo.progress).also { lastUploadedSize = it.uploadedSize }
                     State.SUCCEEDED -> UploadProgressUiState.Success.create(workInfo.outputData, sharedApiUrlCreator)
-                    State.FAILED, State.CANCELLED -> UploadProgressUiState.Error(lastUploadedSize)
+                    State.FAILED -> UploadProgressUiState.Error(lastUploadedSize)
+                    State.CANCELLED -> UploadProgressUiState.Cancel()
                     else -> UploadProgressUiState.Default(lastUploadedSize)
                 } ?: UploadProgressUiState.Error(lastUploadedSize)
             }.filterNotNull()
@@ -137,7 +138,7 @@ class UploadWorker @AssistedInject constructor(
 
     sealed class UploadProgressUiState(open val uploadedSize: Long) {
         @Immutable
-        data class Default(override val uploadedSize: Long = 0) : UploadProgressUiState(uploadedSize)
+        data class Default(override val uploadedSize: Long = 0L) : UploadProgressUiState(uploadedSize)
 
         @Immutable
         data class Progress(override val uploadedSize: Long) : UploadProgressUiState(uploadedSize) {
@@ -158,7 +159,10 @@ class UploadWorker @AssistedInject constructor(
         }
 
         @Immutable
-        data class Error(override val uploadedSize: Long = 0) : UploadProgressUiState(uploadedSize)
+        data class Error(override val uploadedSize: Long = 0L) : UploadProgressUiState(uploadedSize)
+
+        @Immutable
+        data class Cancel(override val uploadedSize: Long = 0L) : UploadProgressUiState(uploadedSize)
     }
 
     companion object {