diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 6cf9b74..7adaaff 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -6402,7 +6402,7 @@
     {
         if( ( ret = mbedtls_ssl_handshake( ssl ) ) != 0 )
         {
-            MBEDTLS_SSL_DEBUG_RET( 1, "ssl_handshake", ret );
+            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_handshake", ret );
             return( ret );
         }
     }