diff --git a/targets/nuttx-stm32f4/jerry_main.c b/targets/nuttx-stm32f4/jerry_main.c
index 619e2ac73..de36b4ec7 100644
--- a/targets/nuttx-stm32f4/jerry_main.c
+++ b/targets/nuttx-stm32f4/jerry_main.c
@@ -380,6 +380,7 @@ int jerry_main (int argc, char *argv[])
     else if (!strcmp ("--show-opcodes", argv[i]))
     {
       flags |= JERRY_INIT_SHOW_OPCODES | JERRY_INIT_SHOW_REGEXP_OPCODES;
+      jerry_log_level = JERRY_LOG_LEVEL_DEBUG;
     }
     else if (!strcmp ("--log-level", argv[i]))
     {