diff --git a/src/main.ino b/src/main.ino
index 1389e6d..89f082a 100644
--- a/src/main.ino
+++ b/src/main.ino
@@ -1,6 +1,6 @@
 #include "ESP8266WiFi.h"
 #define LED_PIN LED_BUILTIN
-#define COLUMN_SEPARATOR ","
+#define COLUMN_SEPARATOR "\t"
 #define ROW_SEPARATOR "\n"
 
 void setup() {