diff --git a/scrambling.cpp b/scrambling.cpp
index b0dc18f..4930cd7 100644
--- a/scrambling.cpp
+++ b/scrambling.cpp
@@ -87,12 +87,12 @@ std::complex<double> crossRatio (std::complex<double> x1, std::complex<double> x
 double Fitzpatrick(std::complex<double> z, std::complex<double> zbar, double phase)
 {
 	// phase is necessary to take into account nontrivial monodromy
-	std::complex<double> c1(1, 0); // one as a complex number
+	std::complex<double> one = 1; // one as a complex number
 	std::complex<double> i(0,1); // imaginary unit
 	double alphaExpr = 0.5-alpha/2;
 	std::complex<double> exponent1 = exp(phase*i*alphaExpr);
 	std::complex<double> exponent2 = exp(phase*i*alpha);
 	return real(exponent1 * pow(z, alphaExpr) * pow(zbar, alphaExpr)
-			* (c1 - exponent2 * pow(z, alpha)) * (c1 - pow(zbar, alpha))
-			/ ( alpha*alpha * (c1-z) * (c1-zbar) ) );
+			* (one - exponent2 * pow(z, alpha)) * (one - pow(zbar, alpha))
+			/ ( alpha*alpha * (one-z) * (one-zbar) ) );
 }