diff --git a/src/tls.c b/src/tls.c
index 30e5c476e9..2b651a81a9 100644
--- a/src/tls.c
+++ b/src/tls.c
@@ -3498,7 +3498,13 @@ static int TLSX_CSR_Parse(WOLFSSL* ssl, const byte* input, word16 length,
                                                     der.buffer, der.length);
                             if (ret == 0 &&
                                         request == ssl->ctx->certOcspRequest) {
-                                ssl->ctx->certOcspRequest = NULL;
+                                wolfSSL_Mutex* ocspLock =
+                                        &SSL_CM(ssl)->ocsp_stapling->ocspLock;
+                                if (wc_LockMutex(ocspLock) == 0) {
+                                    /* the request is ours */
+                                    ssl->ctx->certOcspRequest = NULL;
+                                }
+                                wc_UnLockMutex(ocspLock);
                             }
                         }
                         if (ret == 0) {