diff --git a/wolfssl/wolfcrypt/asn.h b/wolfssl/wolfcrypt/asn.h
index 136735876..2657bbc06 100644
--- a/wolfssl/wolfcrypt/asn.h
+++ b/wolfssl/wolfcrypt/asn.h
@@ -1383,7 +1383,7 @@ struct SignatureCtx {
 #endif
 #if !defined(NO_RSA) || !defined(NO_DSA)
     #ifdef WOLFSSL_NO_MALLOC
-    byte  sigCpy[MAX_SIG_SZ];
+    byte  sigCpy[MAX_ENCODED_SIG_SZ];
     #else
     byte* sigCpy;
     #endif