diff --git a/cpu/native/include/nativenet.h b/cpu/native/include/nativenet.h
index 4c3c89c596..a8946d1346 100644
--- a/cpu/native/include/nativenet.h
+++ b/cpu/native/include/nativenet.h
@@ -33,7 +33,7 @@
 #ifndef NATIVE_MAX_DATA_LENGTH
 #include "tap.h"
 #ifdef MODULE_SIXLOWPAN
-#define NATIVE_MAX_DATA_LENGTH (255)
+#define NATIVE_MAX_DATA_LENGTH (127)
 #else
 #define NATIVE_MAX_DATA_LENGTH (TAP_MAX_DATA)
 #endif