diff --git a/common/crc16.c b/common/crc16.c
index 3cef106..6904365 100644
--- a/common/crc16.c
+++ b/common/crc16.c
@@ -101,7 +101,7 @@
 
     cksum = 0;
     for (i = 0;  i < len;  i++) {
-        cksum = crc16_tab[((cksum>>8) ^ *buf++) & 0xFF] ^ (cksum << 8);
+	cksum = crc16_tab[((cksum>>8) ^ *buf++) & 0xFF] ^ (cksum << 8);
     }
     return cksum;
 }