diff --git a/.changeset/perfect-walls-jog.md b/.changeset/perfect-walls-jog.md
new file mode 100644
index 000000000..75f2bb5a1
--- /dev/null
+++ b/.changeset/perfect-walls-jog.md
@@ -0,0 +1,5 @@
+---
+"nostrudel": patch
+---
+
+Fix zap button on prism posts
diff --git a/src/components/note/note-zap-button.tsx b/src/components/note/note-zap-button.tsx
index e137cc61a..6bd0535f2 100644
--- a/src/components/note/note-zap-button.tsx
+++ b/src/components/note/note-zap-button.tsx
@@ -32,6 +32,7 @@ export default function NoteZapButton({ event, allowComment, showEventPreview, .
   };
 
   const total = totalZaps(zaps);
+  const canZap = !!metadata?.allowsNostr || event.tags.some((t) => t[0] === "zap");
 
   return (
     <>
@@ -43,7 +44,7 @@ export default function NoteZapButton({ event, allowComment, showEventPreview, .
           colorScheme={hasZapped ? "primary" : undefined}
           {...props}
           onClick={onOpen}
-          isDisabled={!metadata?.allowsNostr}
+          isDisabled={!canZap}
         >
           {readablizeSats(total / 1000)}
         </Button>
@@ -54,7 +55,7 @@ export default function NoteZapButton({ event, allowComment, showEventPreview, .
           title="Zap Note"
           {...props}
           onClick={onOpen}
-          isDisabled={!metadata?.allowsNostr}
+          isDisabled={!canZap}
         />
       )}
 
diff --git a/src/services/settings/migrations.ts b/src/services/settings/migrations.ts
index 97a6880d1..3c7df17c6 100644
--- a/src/services/settings/migrations.ts
+++ b/src/services/settings/migrations.ts
@@ -76,11 +76,12 @@ export const defaultSettings: AppSettings = {
   youtubeRedirect: undefined,
 };
 
-export function upgradeSettings(settings: { version: number }): AppSettings {
+export function upgradeSettings(settings: { version: number }): AppSettings | null {
   if (isV0(settings)) return { ...defaultSettings, ...settings, version: 3 };
   if (isV1(settings)) return { ...defaultSettings, ...settings, version: 3 };
   if (isV2(settings)) return { ...defaultSettings, ...settings, version: 3 };
-  return settings as AppSettings;
+  if (isV3(settings)) return settings;
+  return null;
 }
 
 export function parseAppSettings(event: NostrEvent): AppSettings {