diff --git a/Firmware/Chameleon-Mini/Configuration.h b/Firmware/Chameleon-Mini/Configuration.h
index 7ab8540..19a3aa6 100644
--- a/Firmware/Chameleon-Mini/Configuration.h
+++ b/Firmware/Chameleon-Mini/Configuration.h
@@ -22,7 +22,7 @@ typedef enum  {
 
 #ifdef CONFIG_MF_ULTRALIGHT_SUPPORT
     CONFIG_MF_ULTRALIGHT,
-	CONFIG_MF_ULTRALIGHT_C,
+    CONFIG_MF_ULTRALIGHT_C,
     CONFIG_MF_ULTRALIGHT_EV1_80B,
     CONFIG_MF_ULTRALIGHT_EV1_164B,
 #endif