diff --git a/targets/nuttx-stm32f4/jerry_main.c b/targets/nuttx-stm32f4/jerry_main.c
index 9281d4da5..619e2ac73 100644
--- a/targets/nuttx-stm32f4/jerry_main.c
+++ b/targets/nuttx-stm32f4/jerry_main.c
@@ -370,10 +370,12 @@ int jerry_main (int argc, char *argv[])
     else if (!strcmp ("--mem-stats", argv[i]))
     {
       flags |= JERRY_INIT_MEM_STATS;
+      jerry_log_level = JERRY_LOG_LEVEL_DEBUG;
     }
     else if (!strcmp ("--mem-stats-separate", argv[i]))
     {
       flags |= JERRY_INIT_MEM_STATS_SEPARATE;
+      jerry_log_level = JERRY_LOG_LEVEL_DEBUG;
     }
     else if (!strcmp ("--show-opcodes", argv[i]))
     {