diff --git a/puer.c b/puer.c
index ec8d4c5..e809a51 100644
--- a/puer.c
+++ b/puer.c
@@ -56,9 +56,9 @@ uint32_t bytes2word(unsigned char const bytes[4]) {
 }
 
 void word2bytes(unsigned char *bytes, uint32_t word) {
-	bytes[0] = word & 0xff;
-	bytes[1] = word>>8 & 0xff;
-	bytes[2] = word>>16 & 0xff;
+	bytes[0] = word;
+	bytes[1] = word>>8;
+	bytes[2] = word>>16;
 	bytes[3] = word>>24;
 }