diff --git a/tests/suites/test_suite_debug.function b/tests/suites/test_suite_debug.function
index 197a7ef31..c51be4d0b 100644
--- a/tests/suites/test_suite_debug.function
+++ b/tests/suites/test_suite_debug.function
@@ -60,10 +60,16 @@ void debug_print_msg_threshold( int threshold, int level, char * file,
     memset( buffer.buf, 0, 2000 );
     buffer.ptr = buffer.buf;
 
+    mbedtls_ssl_config_defaults( &conf,
+                                 MBEDTLS_SSL_IS_CLIENT,
+                                 MBEDTLS_SSL_TRANSPORT_STREAM,
+                                 MBEDTLS_SSL_PRESET_DEFAULT );
+
+    mbedtls_ssl_conf_dbg( &conf, string_debug, &buffer);
+
     TEST_ASSERT( mbedtls_ssl_setup( &ssl, &conf ) == 0 );
 
     mbedtls_debug_set_threshold( threshold );
-    mbedtls_ssl_conf_dbg( &conf, string_debug, &buffer);
 
     mbedtls_debug_print_msg( &ssl, level, file, line,
                              "Text message, 2 == %d", 2 );
@@ -89,10 +95,15 @@ void mbedtls_debug_print_ret( char * file, int line, char * text, int value,
     memset( buffer.buf, 0, 2000 );
     buffer.ptr = buffer.buf;
 
-    TEST_ASSERT( mbedtls_ssl_setup( &ssl, &conf ) == 0 );
+    mbedtls_ssl_config_defaults( &conf,
+                                 MBEDTLS_SSL_IS_CLIENT,
+                                 MBEDTLS_SSL_TRANSPORT_STREAM,
+                                 MBEDTLS_SSL_PRESET_DEFAULT );
 
     mbedtls_ssl_conf_dbg( &conf, string_debug, &buffer);
 
+    TEST_ASSERT( mbedtls_ssl_setup( &ssl, &conf ) == 0 );
+
     mbedtls_debug_print_ret( &ssl, 0, file, line, text, value);
 
     TEST_ASSERT( strcmp( buffer.buf, result_str ) == 0 );
@@ -116,11 +127,15 @@ void mbedtls_debug_print_buf( char * file, int line, char * text,
     memset( buffer.buf, 0, 2000 );
     buffer.ptr = buffer.buf;
 
-
-    TEST_ASSERT( mbedtls_ssl_setup( &ssl, &conf ) == 0 );
+    mbedtls_ssl_config_defaults( &conf,
+                                 MBEDTLS_SSL_IS_CLIENT,
+                                 MBEDTLS_SSL_TRANSPORT_STREAM,
+                                 MBEDTLS_SSL_PRESET_DEFAULT );
 
     mbedtls_ssl_conf_dbg( &conf, string_debug, &buffer);
 
+    TEST_ASSERT( mbedtls_ssl_setup( &ssl, &conf ) == 0 );
+
     mbedtls_debug_print_buf( &ssl, 0, file, line, text, data->x, data->len );
 
     TEST_ASSERT( strcmp( buffer.buf, result_str ) == 0 );
@@ -146,10 +161,15 @@ void mbedtls_debug_print_crt( char * crt_file, char * file, int line,
     memset( buffer.buf, 0, 2000 );
     buffer.ptr = buffer.buf;
 
-    TEST_ASSERT( mbedtls_ssl_setup( &ssl, &conf ) == 0 );
+    mbedtls_ssl_config_defaults( &conf,
+                                 MBEDTLS_SSL_IS_CLIENT,
+                                 MBEDTLS_SSL_TRANSPORT_STREAM,
+                                 MBEDTLS_SSL_PRESET_DEFAULT );
 
     mbedtls_ssl_conf_dbg( &conf, string_debug, &buffer);
 
+    TEST_ASSERT( mbedtls_ssl_setup( &ssl, &conf ) == 0 );
+
     TEST_ASSERT( mbedtls_x509_crt_parse_file( &crt, crt_file ) == 0 );
     mbedtls_debug_print_crt( &ssl, 0, file, line, prefix, &crt);
 
@@ -177,12 +197,17 @@ void mbedtls_debug_print_mpi( int radix, char * value, char * file, int line,
     memset( buffer.buf, 0, 2000 );
     buffer.ptr = buffer.buf;
 
+    mbedtls_ssl_config_defaults( &conf,
+                                 MBEDTLS_SSL_IS_CLIENT,
+                                 MBEDTLS_SSL_TRANSPORT_STREAM,
+                                 MBEDTLS_SSL_PRESET_DEFAULT );
+
+    mbedtls_ssl_conf_dbg( &conf, string_debug, &buffer);
+
     TEST_ASSERT( mbedtls_ssl_setup( &ssl, &conf ) == 0 );
 
     TEST_ASSERT( mbedtls_test_read_mpi( &val, radix, value ) == 0 );
 
-    mbedtls_ssl_conf_dbg( &conf, string_debug, &buffer);
-
     mbedtls_debug_print_mpi( &ssl, 0, file, line, prefix, &val);
 
     TEST_ASSERT( strcmp( buffer.buf, result_str ) == 0 );