diff --git a/cubesatsim/esp32-cam-send-jpeg-serial/esp32-cam-send-jpeg-serial.ino b/cubesatsim/esp32-cam-send-jpeg-serial/esp32-cam-send-jpeg-serial.ino
index e8816b75..ac090808 100644
--- a/cubesatsim/esp32-cam-send-jpeg-serial/esp32-cam-send-jpeg-serial.ino
+++ b/cubesatsim/esp32-cam-send-jpeg-serial/esp32-cam-send-jpeg-serial.ino
@@ -219,7 +219,7 @@ void loop() {
   }
   if (Serial.available() > 0)  {
     char result = Serial.read();
-    if ((result == 'f') || (result == 'F')) PIFFS.format(); 
+    if ((result == 'f') || (result == 'F')) SPIFFS.format(); 
     take_photo = true;
   }
   if (!take_photo) {