diff --git a/platformio.ini b/platformio.ini
index cf490c6..51f97f7 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -22,6 +22,7 @@ upload_speed = 921600
 ;    -mfix-esp32-psram-cache-issue
 
 lib_deps =
-  adafruit/Adafruit SSD1306@^2.4.5
-  adafruit/Adafruit BusIO@^1.7.3
-  arkhipenko/TaskScheduler@^3.3.0
+	adafruit/Adafruit SSD1306@^2.4.5
+	adafruit/Adafruit BusIO@^1.7.3
+	arkhipenko/TaskScheduler@^3.3.0
+	adafruit/Adafruit GFX Library@^1.11.9
diff --git a/src/main.cpp b/src/main.cpp
index e883d1a..62f7ad5 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -5,7 +5,7 @@
 // 'ENABLE_SCREEN' : whether if playing info. displayed or not.
 //
 //============</configurations>============
-// #define ENABLE_SCREEN
+#define ENABLE_SCREEN
 
 //============<audioooo-param>============
 #define GAIN_MAX 1.0 // if 1.0 is too loud, give max. limit here.
@@ -128,6 +128,8 @@ int get_music_list(fs::FS &fs, const char *dirname, uint8_t levels, String wavli
     if (file.isDirectory()) { }
     else {
       String temp = file.name();
+      // Serial.println("looking at file: " + temp);
+      temp.toLowerCase();
       if (temp.endsWith(".wav")) {
         wavlist[i] = temp;
         i++;