diff --git a/wolfssl/ocsp.h b/wolfssl/ocsp.h
index af083410b..5331245c9 100644
--- a/wolfssl/ocsp.h
+++ b/wolfssl/ocsp.h
@@ -35,16 +35,15 @@
     extern "C" {
 #endif
 
-struct buffer;
 typedef struct WOLFSSL_OCSP WOLFSSL_OCSP;
 
 WOLFSSL_LOCAL int  InitOCSP(WOLFSSL_OCSP*, WOLFSSL_CERT_MANAGER*);
 WOLFSSL_LOCAL void FreeOCSP(WOLFSSL_OCSP*, int dynamic);
 
 WOLFSSL_LOCAL int  CheckCertOCSP(WOLFSSL_OCSP*, DecodedCert*,
-                                            struct buffer* responseBuffer);
+                                            WOLFSSL_BUFFER_INFO* responseBuffer);
 WOLFSSL_LOCAL int  CheckOcspRequest(WOLFSSL_OCSP* ocsp,
-                   OcspRequest* ocspRequest, struct buffer* responseBuffer);
+                   OcspRequest* ocspRequest, WOLFSSL_BUFFER_INFO* responseBuffer);
 
 #ifdef __cplusplus
     }  /* extern "C" */