diff --git a/app/src/main/java/com/github/tmo1/sms_ie/CustomPreferences.kt b/app/src/main/java/com/github/tmo1/sms_ie/CustomPreferences.kt
index 51e3b8a..3e417a9 100644
--- a/app/src/main/java/com/github/tmo1/sms_ie/CustomPreferences.kt
+++ b/app/src/main/java/com/github/tmo1/sms_ie/CustomPreferences.kt
@@ -37,7 +37,7 @@ class TimePickerPreference(context: Context, attrs: AttributeSet?) : DialogPrefe
     fun persistMinutesFromMidnight(minutesFromMidnight: Int) {
         super.persistInt(minutesFromMidnight)
         notifyChanged()
-        updateExportWork(context)
+        updateExportWork(context, true)
     }
 
     override fun onSetInitialValue(defaultValue: Any?) {
diff --git a/app/src/main/java/com/github/tmo1/sms_ie/ExportWorker.kt b/app/src/main/java/com/github/tmo1/sms_ie/ExportWorker.kt
index 909a75a..481b8b3 100644
--- a/app/src/main/java/com/github/tmo1/sms_ie/ExportWorker.kt
+++ b/app/src/main/java/com/github/tmo1/sms_ie/ExportWorker.kt
@@ -168,14 +168,16 @@ class ExportWorker(appContext: Context, workerParams: WorkerParameters) :
                 }
             }
         }
-        updateExportWork(context)
+        updateExportWork(context, false)
         //FIXME: as written, this always returns success, since the work is launched asynchronously and these lines execute immediately upon coroutine launch
         return result
     }
 }
 
-fun updateExportWork(context: Context) {
-    WorkManager.getInstance(context).cancelAllWorkByTag(EXPORT_WORK_TAG)
+fun updateExportWork(context: Context, cancel: Boolean) {
+    if (cancel) {
+        WorkManager.getInstance(context).cancelAllWorkByTag(EXPORT_WORK_TAG)
+    }
     val prefs = PreferenceManager.getDefaultSharedPreferences(context)
     if (prefs.getBoolean("schedule_export", false)) {
         // https://stackoverflow.com/questions/4389500/how-can-i-find-the-amount-of-seconds-passed-from-the-midnight-with-java
diff --git a/app/src/main/java/com/github/tmo1/sms_ie/SettingsActivity.kt b/app/src/main/java/com/github/tmo1/sms_ie/SettingsActivity.kt
index d5d7699..fb40b84 100644
--- a/app/src/main/java/com/github/tmo1/sms_ie/SettingsActivity.kt
+++ b/app/src/main/java/com/github/tmo1/sms_ie/SettingsActivity.kt
@@ -139,7 +139,7 @@ class SettingsActivity : AppCompatActivity() {
             // https://stackoverflow.com/questions/66449883/kotlin-onsharedpreferencechangelistener
             val prefListener = SharedPreferences.OnSharedPreferenceChangeListener { sharedPrefs, key ->
                 if (key == "schedule_export") {
-                    context?.let { updateExportWork(it) }
+                    context?.let { updateExportWork(it, true) }
                     if (SDK_INT >= 33 && sharedPrefs.getBoolean(key, false)) {
                         context?.let {
                             if (ContextCompat.checkSelfPermission(