diff --git a/configparser.go b/configparser.go
index 9a7fca7..8910d7b 100644
--- a/configparser.go
+++ b/configparser.go
@@ -174,7 +174,7 @@ func parseCertFromFile(certFile string) (*x509.Certificate, error) {
 	}
 	certificate, err := x509.ParseCertificate(block.Bytes)
 	if err != nil {
-		return nil, fmt.Errorf("could not parse certificate from file #{certFile}", err)
+		return nil, fmt.Errorf("could not parse certificate from file #{certFile} %v", err)
 	}
 	return certificate, nil
 }