diff --git a/src/types/schemas.ts b/src/types/schemas.ts
index e8c90dc0..3a4569ef 100644
--- a/src/types/schemas.ts
+++ b/src/types/schemas.ts
@@ -4,7 +4,7 @@ import type { MempoolUserOperation } from "./mempool"
 
 const hexDataPattern = /^0x[0-9A-Fa-f]*$/
 const addressPattern = /^0x[0-9,a-f,A-F]{40}$/
-export const hexData32Pattern = /^0x([0-9a-fA-F][0-9a-fA-F]){0,32}$/
+export const hexData32Pattern = /^0x([0-9a-fA-F][0-9a-fA-F]){32}$/
 export const commaSeperatedAddressPattern =
     /^(0x[0-9a-fA-F]{40})(,\s*(0x[0-9a-fA-F]{40}))*$/