diff --git a/mobile/src/main/java/ru/omni_devel/cards/BackupActivity.kt b/mobile/src/main/java/ru/omni_devel/cards/BackupActivity.kt
index 3edeae7..6075722 100644
--- a/mobile/src/main/java/ru/omni_devel/cards/BackupActivity.kt
+++ b/mobile/src/main/java/ru/omni_devel/cards/BackupActivity.kt
@@ -133,6 +133,7 @@ fun BackupPage(innerPadding: PaddingValues, getDbFun: () -> DbHelper) {
 
     Page(stringResource(R.string.backup), innerPadding) {
         AdaptiveButton(
+            modifier = Modifier.fillMaxWidth(),
             onClick = {
                 createBackupLauncher.launch("omnicards-backup.json")
             }
@@ -140,6 +141,7 @@ fun BackupPage(innerPadding: PaddingValues, getDbFun: () -> DbHelper) {
             Text(stringResource(R.string.do_backup))
         }
         AdaptiveButton(
+            modifier = Modifier.fillMaxWidth(),
             onClick = {
                 restoreFromBackupLauncher.launch("application/json")
             }