diff --git a/src/ssl.c b/src/ssl.c
index 4c1fcd4fc..9a95704ed 100644
--- a/src/ssl.c
+++ b/src/ssl.c
@@ -17568,7 +17568,12 @@ int wolfSSL_set_compression(WOLFSSL* ssl)
                 wolfSSL_BIO_free(ssl->biord);
             ssl->biord = NULL;
         }
-
+        /* set flag obviously */
+        if (rd && !(rd->flags & WOLFSSL_BIO_FLAG_READ))
+            rd->flags |= WOLFSSL_BIO_FLAG_READ;
+        if (wr && !(wr->flags & WOLFSSL_BIO_FLAG_WRITE))
+            wr->flags |= WOLFSSL_BIO_FLAG_WRITE;
+        
         ssl->biord = rd;
         ssl->biowr = wr;
 
diff --git a/tests/api.c b/tests/api.c
index 96eabe0c9..2f0db3728 100644
--- a/tests/api.c
+++ b/tests/api.c
@@ -38776,6 +38776,44 @@ static void test_wolfSSL_BIO_connect(void)
 #endif
 }
 
+
+static void test_wolfSSL_BIO_Qt_usecase()
+{
+#if !defined(NO_BIO) && defined(OPENSSL_EXTRA) && !defined(NO_WOLFSSL_CLIENT)
+    
+    printf(testingFmt, "test_wolfSSL_BIO_Qt_usecase()");
+    
+    SSL_CTX* ctx;
+    SSL *ssl;
+    BIO *readBio;
+    BIO *writeBio;
+    int ret, err;
+    
+    AssertNotNull(ctx = SSL_CTX_new(SSLv23_method()));
+    AssertNotNull(ssl = SSL_new(ctx));
+    
+    AssertNotNull(readBio = BIO_new(BIO_s_mem()));
+    AssertNotNull(writeBio = BIO_new(BIO_s_mem()));
+    /* Qt reads data from write-bio,
+     * then writes the read data into plain packet.
+     * Qt reads data from plain packet, 
+     * then writes the read data into read-bio.
+     */
+    SSL_set_bio(ssl, readBio, writeBio);
+    AssertIntEQ(ret = SSL_connect(ssl), WOLFSSL_FATAL_ERROR);
+    err = SSL_get_error(ssl, ret);
+    /* in this use case, should return WANT READ
+     * so that Qt will read the data from plain packet for next state.
+     */
+    AssertIntEQ(err, SSL_ERROR_WANT_READ);
+    
+    SSL_free(ssl);
+    SSL_CTX_free(ctx);
+    
+    printf(resultFmt, passed);
+#endif
+}
+
 #if defined(OPENSSL_ALL) && defined(HAVE_IO_TESTS_DEPENDENCIES) && defined(HAVE_HTTP_CLIENT)
 static THREAD_RETURN WOLFSSL_THREAD test_wolfSSL_BIO_accept_client(void* args)
 {
@@ -52685,6 +52723,7 @@ void ApiTest(void)
     test_wolfSSL_BIO_printf();
     test_wolfSSL_BIO_f_md();
     test_wolfSSL_BIO_up_ref();
+    test_wolfSSL_BIO_Qt_usecase();
 #endif
     test_wolfSSL_cert_cb();
     test_wolfSSL_SESSION();