diff --git a/lib/cf-h2-proxy.c b/lib/cf-h2-proxy.c
index 007cc770d9..d67bbd55ad 100644
--- a/lib/cf-h2-proxy.c
+++ b/lib/cf-h2-proxy.c
@@ -474,7 +474,7 @@ static CURLcode proxy_h2_progress_ingress(struct Curl_cfilter *cf,
                 Curl_bufq_len(&ctx->inbufq), result, nread);
     if(result) {
       if(result != CURLE_AGAIN) {
-        failf(data, "Failed receiving HTTP2 data");
+        failf(data, "Failed receiving HTTP2 proxy data");
         return result;
       }
       break;
diff --git a/lib/vtls/openssl.c b/lib/vtls/openssl.c
index 45469205cf..64eb9960b9 100644
--- a/lib/vtls/openssl.c
+++ b/lib/vtls/openssl.c
@@ -4128,9 +4128,13 @@ CURLcode Curl_ossl_ctx_init(struct ossl_ctx *octx,
 
      However using a large buffer (8 packets) actually decreases performance.
      4 packets is better.
-   */
 
-#ifdef HAVE_SSL_CTX_SET_DEFAULT_READ_BUFFER_LEN
+     AWS-LC seems to run into decryption failures with large buffers.
+     Sporadic failures in test_10_08 with h2 proxy uploads, increased
+     frequency with CURL_DBG_SOCK_RBLOCK=50.
+   */
+#if defined(HAVE_SSL_CTX_SET_DEFAULT_READ_BUFFER_LEN) && \
+    !defined(OPENSSL_IS_AWSLC)
   SSL_CTX_set_default_read_buffer_len(octx->ssl_ctx, 0x401e * 4);
 #endif
 
diff --git a/tests/http/test_10_proxy.py b/tests/http/test_10_proxy.py
index ac70ec3eb2..e61284a4ca 100644
--- a/tests/http/test_10_proxy.py
+++ b/tests/http/test_10_proxy.py
@@ -226,11 +226,11 @@ class TestProxy:
                              extra_args=xargs)
         assert self.get_tunnel_proto_used(r) == tunnel
         r.check_response(count=count, http_status=200)
+        assert r.total_connects == 1, r.dump_logs()
         indata = open(srcfile).readlines()
         for i in range(count):
             respdata = open(curl.response_file(i)).readlines()
             assert respdata == indata, f'response {i} differs'
-        assert r.total_connects == 1, r.dump_logs()
 
     @pytest.mark.skipif(condition=not Env.have_ssl_curl(), reason="curl without SSL")
     @pytest.mark.parametrize("tunnel", ['http/1.1', 'h2'])