diff --git a/src/ocsp.c b/src/ocsp.c
index 69be0534b..6a393b8f7 100644
--- a/src/ocsp.c
+++ b/src/ocsp.c
@@ -395,7 +395,11 @@ int CheckOcspResponse(WOLFSSL_OCSP *ocsp, byte *response, int responseSz,
 end:
     if (ret == 0 && validated == 1) {
         WOLFSSL_MSG("New OcspResponse validated");
-    } else if (ret != OCSP_CERT_REVOKED) {
+    } else if ((ret == ocsp->error) && (ocspResponse->single->status->status == CERT_UNKNOWN)) {
+        WOLFSSL_MSG("OCSP unknown");
+        ret = OCSP_CERT_UNKNOWN;
+    } else if ((ret != OCSP_CERT_REVOKED) && (ret != ocsp->error)) {
+        WOLFSSL_MSG("OCSP lookup failure");
         ret = OCSP_LOOKUP_FAIL;
     }