diff --git a/src/policies/size-limit-policy.test.ts b/src/policies/size-limit-policy.test.ts
index 78bb9bb..cdb8450 100644
--- a/src/policies/size-limit-policy.test.ts
+++ b/src/policies/size-limit-policy.test.ts
@@ -11,10 +11,12 @@ Deno.test('Size limit policy test', async () => {
   // Create a message over 12KB
   const largeContent = 'Hello'.repeat(2500); // Over 12KB
   const largeMessage = buildInputMessage({ event: buildEvent({ content: largeContent }) });
+  const largeReplaceable = buildInputMessage({ event: buildEvent({ content: largeContent, kind: 30078 }) });
 
   // Test that a small message is accepted
   assertEquals((await sizeLimitPolicy(smallMessage)).action, 'accept', 'Small message should be accepted');
 
   // Test that a large message is rejected
   assertEquals((await sizeLimitPolicy(largeMessage)).action, 'reject', 'Large message should be rejected');
+  assertEquals((await sizeLimitPolicy(largeReplaceable)).action, 'accept', 'Large replaceable event should be accepted');
 });