diff --git a/cmd/gcd.go b/cmd/gcd.go
index 854007b..cf95851 100644
--- a/cmd/gcd.go
+++ b/cmd/gcd.go
@@ -27,11 +27,11 @@ import (
 var extended bool
 
 func computeBezouts(bezouts []big.Int, x, y *big.Int) {
-	for i, c := range bezouts {
+	for i, b := range bezouts {
 		if i == len(bezouts)-1 {
 			bezouts[i].Set(y)
 		} else {
-			bezouts[i].Mul(&c, x)
+			bezouts[i].Mul(&b, x)
 		}
 	}
 }
@@ -59,8 +59,8 @@ func gcd(cmd *cobra.Command, args []string) {
 
 	fmt.Print(z)
 	if extended {
-		for _, c := range bezouts {
-			fmt.Printf(" %s", &c)
+		for _, b := range bezouts {
+			fmt.Printf(" %s", &b)
 		}
 	}
 	fmt.Println()