diff --git a/TalerCommon/ViewModifier/View+DeviceRotation.swift b/TalerCommon/ViewModifier/View+DeviceRotation.swift
index c059c2a1..d011856b 100644
--- a/TalerCommon/ViewModifier/View+DeviceRotation.swift
+++ b/TalerCommon/ViewModifier/View+DeviceRotation.swift
@@ -32,7 +32,16 @@ struct DeviceRotationViewModifier: ViewModifier {
 
     func body(content: Content) -> some View {
         content
-            .onAppear()     // SwiftUI bug: view modifiers do not work with onReceive() unless you first add onAppear()
+            // SwiftUI bug: view modifiers do not work with onReceive()
+            // unless you first add onAppear().
+            //
+            // Report the orientation the view appears in, too, not only
+            // later changes.  Without this a view that is already in
+            // landscape when it appears never hears about it: the app
+            // launched in landscapeRight leaves `oimModeActive` false, so
+            // the OIM presentation is missing until the user rotates away
+            // and back again.
+            .onAppear { action(UIDevice.current.orientation) }
             .onReceive(NotificationCenter.default.publisher(for: UIDevice.orientationDidChangeNotification)) { _ in
                 action(UIDevice.current.orientation)
             }