diff --git a/pio-tools/download_fs.py b/pio-tools/download_fs.py
index f43bec128..4343adee3 100644
--- a/pio-tools/download_fs.py
+++ b/pio-tools/download_fs.py
@@ -24,8 +24,9 @@ platform = env.PioPlatform()
 board = env.BoardConfig()
 mcu = board.get("build.mcu", "esp32")
 # Hack for using mklittlefs instead of mkspiffs -> needed since littlefs is not supported with this for ESP32
-#print("Replace MKSPIFFSTOOL with mklittlefs")
-env.Replace( MKSPIFFSTOOL=platform.get_package_dir("tool-mklittlefs") + '/mklittlefs' )
+if env["PIOPLATFORM"] == "espressif32":
+    #print("Replace MKSPIFFSTOOL with mklittlefs")
+    env.Replace( MKSPIFFSTOOL=platform.get_package_dir("tool-mklittlefs") + '/mklittlefs' )
 
 # needed for later
 AutodetectUploadPort(env)