diff --git a/password.go b/password.go
index 9850bdc..84a04b2 100644
--- a/password.go
+++ b/password.go
@@ -3,26 +3,20 @@ package scsusers
 import (
 	"crypto/rand"
 	"encoding/base32"
+	mr "math/rand"
+	"time"
 	"unicode"
 )
 
 func flipCoin() bool {
-	x := make([]byte, 1)
-	_, err := rand.Read(x)
-	if err != nil {
-		return true
-	}
-	if uint8(x[0]) % 2==0 {
-		return true
-	}
-	return false
+	r:=mr.New(mr.NewSource(time.Now().Unix()))
+	return r.Intn(2)==1
 
 }
 func scrambleCase(in []byte) []byte {
 	var out []byte
 	for _, x := range string(in) {
 		if unicode.IsUpper(x) {
-
 			if flipCoin() {
 				out = append(out, byte(x))
 			} else {