1 files changed, 2 insertions, 1 deletions
diff --git a/stmhal/printf.c b/stmhal/printf.c
index 86b756f7d4..137189b94d 100644
--- a/stmhal/printf.c
+++ b/stmhal/printf.c
@@ -67,8 +67,9 @@ int vprintf(const char *fmt, va_list ap) {
 }
 
 #if MICROPY_DEBUG_PRINTERS
+mp_uint_t mp_verbose_flag = 1;
+
 int DEBUG_printf(const char *fmt, ...) {
-    (void)stream;
     va_list ap;
     va_start(ap, fmt);
     int ret = pfenv_vprintf(&pfenv_stdout, fmt, ap);