diff --git a/ports/esp32/mphalport.c b/ports/esp32/mphalport.c
index 2cf28b6c93e0b..a3701d9ca68bb 100755
--- a/ports/esp32/mphalport.c
+++ b/ports/esp32/mphalport.c
@@ -48,8 +48,8 @@
 #include "uart.h"
 
 #include "py/mpprint.h"
-//#define DBG(...)
-#define DBG(...) mp_printf(MP_PYTHON_PRINTER, __VA_ARGS__); mp_printf(&mp_plat_print, "\n");
+//#define PWM_DBG(...)
+//#define PWM_DBG(...) mp_printf(MP_PYTHON_PRINTER, __VA_ARGS__); mp_printf(&mp_plat_print, "\n");
 
 TaskHandle_t mp_main_task_handle;
 
@@ -83,11 +83,7 @@ void check_esp_err_(esp_err_t code, const char* func, const int line, const char
         o_str->len = strlen((char *)o_str->data);
         o_str->hash = qstr_compute_hash(o_str->data, o_str->len);
         // raise
-        DBG("Exception in function '%s' at line %d in file '%s'", func, line, file)
-        /*
-        mp_obj_t args[2] = { MP_OBJ_NEW_SMALL_INT(pcode), MP_OBJ_FROM_PTR(o_str) };
-        nlr_raise(mp_obj_exception_make_new(&mp_type_OSError, 2, 0, args));
-        */
+        PWM_DBG("Exception in function '%s' at line %d in file '%s'", func, line, file)
         mp_obj_t args[5] = { MP_OBJ_NEW_SMALL_INT(pcode), MP_OBJ_FROM_PTR(o_str), mp_obj_new_str(func, strlen(func)), mp_obj_new_int(line), mp_obj_new_str(file, strlen(file)) };
         nlr_raise(mp_obj_exception_make_new(&mp_type_OSError, 5, 0, args));
     }