diff --git a/src/components/AmountEditable.tsx b/src/components/AmountEditable.tsx
index 34bccd2..7cc006b 100644
--- a/src/components/AmountEditable.tsx
+++ b/src/components/AmountEditable.tsx
@@ -267,8 +267,11 @@ export const AmountEditable: ParentComponent<{
             return undefined;
         }
 
-        // If over 4 million sats, warn that it's a beta bro
-        if (parsed >= 4000000) {
+        if (parsed >= 2099999997690000) {
+            // If over 21 million bitcoin, warn that too much
+            return i18n.t("more_than_21m");
+        } else if (parsed >= 4000000) {
+            // If over 4 million sats, warn that it's a beta bro
             return i18n.t("too_big_for_beta");
         }
     };
diff --git a/src/i18n/en/translations.ts b/src/i18n/en/translations.ts
index e7c8339..8e06eea 100644
--- a/src/i18n/en/translations.ts
+++ b/src/i18n/en/translations.ts
@@ -52,5 +52,7 @@ export default {
     continue: "Continue",
     keep_mutiny_open: "Keep Mutiny open to complete the payment.",
     too_big_for_beta:
-        "That's a lot of sats. You do know Mutiny Wallet is still in beta, yeah?"
+        "That's a lot of sats. You do know Mutiny Wallet is still in beta, yeah?",
+    more_than_21m:
+        "There are only 21 million bitcoin.",
 };