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-rw-r--r--lib/utils/stdout_helpers.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/utils/stdout_helpers.c b/lib/utils/stdout_helpers.c
index 6efe10b92..5f7a17d32 100644
--- a/lib/utils/stdout_helpers.c
+++ b/lib/utils/stdout_helpers.c
@@ -11,7 +11,7 @@
// Send "cooked" string of given length, where every occurance of
// LF character is replaced with CR LF.
-void mp_hal_stdout_tx_strn_cooked(const char *str, mp_uint_t len) {
+void mp_hal_stdout_tx_strn_cooked(const char *str, size_t len) {
while (len--) {
if (*str == '\n') {
mp_hal_stdout_tx_strn("\r", 1);