diff --git a/merchant-terminal/src/main/java/net/taler/merchantpos/checkout/CheckoutAmountEntry.kt b/merchant-terminal/src/main/java/net/taler/merchantpos/checkout/CheckoutAmountEntry.kt
index a22c8c34..994b6507 100644
--- a/merchant-terminal/src/main/java/net/taler/merchantpos/checkout/CheckoutAmountEntry.kt
+++ b/merchant-terminal/src/main/java/net/taler/merchantpos/checkout/CheckoutAmountEntry.kt
@@ -244,16 +244,35 @@ internal fun CheckoutAmountEntry(
 
                 isLandscape ->
                 {
+                    // The keypad is a fixed stack: four rows of keys, a gap,
+                    // and the submit button.  At 48 dp a key that is 280 dp
+                    // tall, and a phone in landscape leaves about 300 dp once
+                    // the title row and this padding are taken off -- so the
+                    // submit button, which carries the amount about to be
+                    // recorded, was drawn half off the bottom of the screen
+                    // with no way to scroll to it.  The keys give way first,
+                    // and the column scrolls as a backstop, which is what
+                    // every other branch here already does.
+                    val keyGap = 8.dp
+                    val actionGap = 16.dp
+                    val submitHeight = 48.dp
+                    val keyHeight =
+                        ((maxHeight - 40.dp - keyGap * 3 - actionGap - submitHeight) / 4)
+                            .coerceIn(36.dp, 48.dp)
                     Row(
                         modifier = Modifier.fillMaxSize().padding(horizontal = 24.dp, vertical = 20.dp),
                         horizontalArrangement = Arrangement.spacedBy(36.dp),
                         verticalAlignment = Alignment.Top,
                     ) {
                         CheckoutNumberPad(
-                            modifier = Modifier.weight(0.59f),
-                            keyHeight = 48.dp,
-                            keyGap = 8.dp,
-                            actionGap = 16.dp,
+                            modifier =
+                                Modifier
+                                    .weight(0.59f)
+                                    .fillMaxHeight()
+                                    .verticalScroll(rememberScrollState()),
+                            keyHeight = keyHeight,
+                            keyGap = keyGap,
+                            actionGap = actionGap,
                             submitLabel = submitLabel,
                             enabled = submitEnabled,
                             onDigit = onDigit,