diff --git a/wled00/wled.cpp b/wled00/wled.cpp
index 13d43218a..d6a39a399 100644
--- a/wled00/wled.cpp
+++ b/wled00/wled.cpp
@@ -380,6 +380,12 @@ void WLED::setup()
     case FM_QOUT: DEBUG_PRINT(F("(QOUT)"));break;
     case FM_DIO:  DEBUG_PRINT(F("(DIO)")); break;
     case FM_DOUT: DEBUG_PRINT(F("(DOUT)"));break;
+    #if defined(CONFIG_IDF_TARGET_ESP32S3) && CONFIG_ESPTOOLPY_FLASHMODE_OPI
+    case FM_FAST_READ: DEBUG_PRINT(F("(OPI)")); break;
+    #else
+    case FM_FAST_READ: DEBUG_PRINT(F("(fast_read)")); break;
+    #endif
+    case FM_SLOW_READ: DEBUG_PRINT(F("(slow_read)")); break;
     default: break;
   }
   #endif