diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/timetable/GenerateBlockTimetableDialog.kt b/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/timetable/GenerateBlockTimetableDialog.kt
index aefd16f9..160881bd 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/timetable/GenerateBlockTimetableDialog.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/ui/dialogs/timetable/GenerateBlockTimetableDialog.kt
@@ -107,10 +107,12 @@ class GenerateBlockTimetableDialog(
                 .show()
 
         dialog.getButton(AlertDialog.BUTTON_POSITIVE)?.onClick {
-            when (b.weekSelectionRadioGroup.checkedRadioButtonId) {
-                R.id.withChangesCurrentWeekRadio -> generateBlockTimetable(weekCurrentStart, weekCurrentEnd)
-                R.id.withChangesNextWeekRadio -> generateBlockTimetable(weekNextStart, weekNextEnd)
-                R.id.forSelectedWeekRadio -> selectDate()
+            app.permissionManager.requestStoragePermission(activity, permissionMessage = R.string.permissions_generate_timetable) {
+                when (b.weekSelectionRadioGroup.checkedRadioButtonId) {
+                    R.id.withChangesCurrentWeekRadio -> generateBlockTimetable(weekCurrentStart, weekCurrentEnd)
+                    R.id.withChangesNextWeekRadio -> generateBlockTimetable(weekNextStart, weekNextEnd)
+                    R.id.forSelectedWeekRadio -> selectDate()
+                }
             }
         }
     }}
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index a5f8621f..6fea3557 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1399,4 +1399,5 @@
     <string name="profile_config_sync_enabled">Synchronizuj ten profil</string>
     <string name="profile_config_logout">Wyloguj się</string>
     <string name="permissions_qr_scanner">Aby móc zeskanować kod QR musisz przyznać uprawnienia dostępu do kamery.\n\nKliknij OK, aby przyznać uprawnienia.</string>
+    <string name="permissions_generate_timetable">Aby móc zapisać wygenerowany plan lekcji musisz przyznać uprawnienia dostępu do pamięci urządzenia.\n\nKliknij OK, aby przyznać uprawnienia.</string>
 </resources>