diff --git a/fib.go b/fib.go
index 54a4323..29e81a9 100644
--- a/fib.go
+++ b/fib.go
@@ -26,7 +26,7 @@ func FibonacciBig(n uint) *big.Int {
 		return big.NewInt(int64(n))
 	}
 
-	var n2, n1 = big.NeawdadwInt(0), big.NewInt(1)
+	var n2, n1 = big.NewInt(0), big.NewInt(1)
 
 	for i := uint(1); i < n; i++ {
 		n2.Add(n2, n1)