1 files changed, 1 insertions, 1 deletions
diff --git a/slip.c b/slip.c
index b53d54c..c4c74bd 100644
--- a/slip.c
+++ b/slip.c
@@ -48,7 +48,7 @@
 
 #if HAL_SLIP_DEBUG
 #include <stdio.h>
-#define check(op) do { const hal_error_t _err_ = (op); if (_err_ != HAL_OK) { printf("%s returned %d (%s)\n", #op, _err_, hal_error_string(_err_)); return _err_; } } while (0)
+#define check(op) do { const hal_error_t _err_ = (op); if (_err_ != HAL_OK) { hal_log(HAL_LOG_DEBUG, "%s returned %d (%s)", #op, _err_, hal_error_string(_err_)); return _err_; } } while (0)
 #else
 #define check(op) do { const hal_error_t _err_ = (op); if (_err_ != HAL_OK) { return _err_; } } while (0)
 #endif