diff --git a/otp/handler/otp.go b/otp/handler/otp.go
index 92fea64..c57b037 100644
--- a/otp/handler/otp.go
+++ b/otp/handler/otp.go
@@ -36,7 +36,7 @@ func (e *Otp) Generate(ctx context.Context, req *pb.GenerateRequest, rsp *pb.Gen
 		req.Size = 6
 	}
 
-	if err := cache.Context(ctx).Get("otp:"+req.Id, &okey); err != nil || okey == nil {
+	if _, err := cache.Context(ctx).Get("otp:"+req.Id, &okey); err != nil || okey == nil {
 		// generate a key
 		key, err := totp.Generate(totp.GenerateOpts{
 			Issuer:      "Micro",
@@ -100,7 +100,7 @@ func (e *Otp) Validate(ctx context.Context, req *pb.ValidateRequest, rsp *pb.Val
 
 	key := new(otpKey)
 
-	if err := cache.Context(ctx).Get("otp:"+req.Id, &key); err != nil {
+	if _, err := cache.Context(ctx).Get("otp:"+req.Id, &key); err != nil {
 		logger.Error("Failed to get secret from store: %v", err)
 		return errors.InternalServerError("otp.generate", "failed to validate code")
 	}