diff --git a/app/src/main/java/eu/faircode/email/EntityRule.java b/app/src/main/java/eu/faircode/email/EntityRule.java
index f947d9df38..7367d70b82 100644
--- a/app/src/main/java/eu/faircode/email/EntityRule.java
+++ b/app/src/main/java/eu/faircode/email/EntityRule.java
@@ -954,6 +954,7 @@ public class EntityRule {
 
         Uri uri = Uri.parse(jargs.getString("uri"));
         boolean alarm = jargs.getBoolean("alarm");
+        int duration = jargs.optInt("duration", MediaPlayerHelper.DEFAULT_ALARM_DURATION);
 
         DB db = DB.getInstance(context);
 
@@ -964,7 +965,7 @@ public class EntityRule {
             @Override
             public void run() {
                 try {
-                    MediaPlayerHelper.play(context, uri, alarm);
+                    MediaPlayerHelper.play(context, uri, alarm, duration);
                 } catch (Throwable ex) {
                     Log.e(ex);
                 }
diff --git a/app/src/main/java/eu/faircode/email/FragmentRule.java b/app/src/main/java/eu/faircode/email/FragmentRule.java
index 2c7322eaf8..d3bdd4fa9d 100644
--- a/app/src/main/java/eu/faircode/email/FragmentRule.java
+++ b/app/src/main/java/eu/faircode/email/FragmentRule.java
@@ -149,6 +149,7 @@ public class FragmentRule extends FragmentBase {
 
     private Button btnSound;
     private CheckBox cbAlarm;
+    private EditText etAlarmDuration;
 
     private TextView tvAutomation;
 
@@ -297,6 +298,7 @@ public class FragmentRule extends FragmentBase {
 
         btnSound = view.findViewById(R.id.btnSound);
         cbAlarm = view.findViewById(R.id.cbAlarm);
+        etAlarmDuration = view.findViewById(R.id.etAlarmDuration);
 
         tvAutomation = view.findViewById(R.id.tvAutomation);
 
@@ -517,6 +519,16 @@ public class FragmentRule extends FragmentBase {
             }
         });
 
+        cbAlarm.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+                etAlarmDuration.setEnabled(isChecked);
+            }
+        });
+
+        etAlarmDuration.setHint(Integer.toString(MediaPlayerHelper.DEFAULT_ALARM_DURATION));
+        etAlarmDuration.setEnabled(false);
+
         npDuration.setMinValue(0);
         npDuration.setMaxValue(999);
 
@@ -1043,7 +1055,11 @@ public class FragmentRule extends FragmentBase {
                                 case EntityRule.TYPE_SOUND:
                                     if (jaction.has("uri"))
                                         FragmentRule.this.sound = Uri.parse(jaction.getString("uri"));
-                                    cbAlarm.setChecked(jaction.optBoolean("alarm"));
+                                    boolean alarm = jaction.optBoolean("alarm");
+                                    int duration = jaction.optInt("duration", 0);
+                                    cbAlarm.setChecked(alarm);
+                                    etAlarmDuration.setEnabled(alarm);
+                                    etAlarmDuration.setText(duration == 0 ? null : Integer.toString(duration));
                                     break;
                             }
 
@@ -1375,8 +1391,16 @@ public class FragmentRule extends FragmentBase {
                     break;
 
                 case EntityRule.TYPE_SOUND:
+                    boolean alarm = cbAlarm.isChecked();
+                    String duration = etAlarmDuration.getText().toString();
                     jaction.put("uri", sound);
-                    jaction.put("alarm", cbAlarm.isChecked());
+                    jaction.put("alarm", alarm);
+                    if (alarm && !TextUtils.isEmpty(duration))
+                        try {
+                            jaction.put("duration", Integer.parseInt(duration));
+                        } catch (NumberFormatException ex) {
+                            Log.e(ex);
+                        }
                     break;
             }
         }
diff --git a/app/src/main/java/eu/faircode/email/MediaPlayerHelper.java b/app/src/main/java/eu/faircode/email/MediaPlayerHelper.java
index 3f8663b2ed..629a4ac8fe 100644
--- a/app/src/main/java/eu/faircode/email/MediaPlayerHelper.java
+++ b/app/src/main/java/eu/faircode/email/MediaPlayerHelper.java
@@ -10,9 +10,9 @@ import java.util.concurrent.Semaphore;
 import java.util.concurrent.TimeUnit;
 
 public class MediaPlayerHelper {
-    private static final int MAX_DURATION = 30; // seconds
+    static final int DEFAULT_ALARM_DURATION = 30; // seconds
 
-    static void play(Context context, Uri uri, boolean alarm) throws IOException {
+    static void play(Context context, Uri uri, boolean alarm, int duration) throws IOException {
         Semaphore sem = new Semaphore(0);
 
         AudioAttributes attrs = new AudioAttributes.Builder()
@@ -41,7 +41,7 @@ public class MediaPlayerHelper {
         mediaPlayer.prepareAsync();
 
         try {
-            if (!sem.tryAcquire(MAX_DURATION, TimeUnit.SECONDS)) {
+            if (!sem.tryAcquire(duration, TimeUnit.SECONDS)) {
                 mediaPlayer.stop();
                 mediaPlayer.release();
             }
diff --git a/app/src/main/res/layout/fragment_rule.xml b/app/src/main/res/layout/fragment_rule.xml
index 134ff399d8..dd025ccf25 100644
--- a/app/src/main/res/layout/fragment_rule.xml
+++ b/app/src/main/res/layout/fragment_rule.xml
@@ -947,6 +947,30 @@
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toBottomOf="@+id/cbAlarm" />
 
+                <eu.faircode.email.FixedTextView
+                    android:id="@+id/tvAlarmDuration"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="12dp"
+                    android:layout_marginTop="12dp"
+                    android:text="@string/title_rule_alarm_duration"
+                    android:textAppearance="@style/TextAppearance.AppCompat.Small"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/tvAlarm" />
+
+                <eu.faircode.email.EditTextPlain
+                    android:id="@+id/etAlarmDuration"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="12dp"
+                    android:hint="10"
+                    android:inputType="number"
+                    android:maxLength="3"
+                    android:textAppearance="@style/TextAppearance.AppCompat.Medium"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/tvAlarmDuration" />
+
                 <eu.faircode.email.FixedTextView
                     android:id="@+id/tvAutomation"
                     android:layout_width="wrap_content"
@@ -955,7 +979,7 @@
                     android:text="@string/title_rule_automation_hint"
                     android:textAppearance="@style/TextAppearance.AppCompat.Small"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@+id/tvAlarm" />
+                    app:layout_constraintTop_toBottomOf="@+id/etAlarmDuration" />
 
                 <eu.faircode.email.FixedTextView
                     android:id="@+id/tvDelete"
@@ -1038,7 +1062,7 @@
                     android:id="@+id/grpSound"
                     android:layout_width="0dp"
                     android:layout_height="0dp"
-                    app:constraint_referenced_ids="btnSound,cbAlarm,tvAlarm" />
+                    app:constraint_referenced_ids="btnSound,cbAlarm,tvAlarm,tvAlarmDuration,etAlarmDuration" />
 
                 <androidx.constraintlayout.widget.Group
                     android:id="@+id/grpAutomation"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index bbff4bd228..dbbeb79f03 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1547,6 +1547,7 @@
     <string name="title_rule_select_sound">Select sound</string>
     <string name="title_rule_use_as_alarm">Use as alarm</string>
     <string name="title_rule_alarm_hint">This will ignore "do not disturb" rules</string>
+    <string name="title_rule_alarm_duration">Maximum alarm duration (seconds)</string>
 
     <string name="title_legend_section_synchronize">Synchronize</string>
     <string name="title_legend_section_folders">Folders</string>