diff --git a/lib/vtls/mbedtls.c b/lib/vtls/mbedtls.c
index 2a847d2578..aadd0cb65a 100644
--- a/lib/vtls/mbedtls.c
+++ b/lib/vtls/mbedtls.c
@@ -805,7 +805,7 @@ mbed_connect_step1(struct Curl_cfilter *cf, struct Curl_easy *data)
    * - 3 Informational
    * - 4 Verbose
    */
-  mbedtls_debug_set_threshold(4);
+  mbedtls_debug_set_threshold(1);
 #endif