--- libqalculate/MathStructure.cc-orig	2016-02-16 22:36:08.951985517 -0500
+++ libqalculate/MathStructure.cc	2016-02-16 22:36:40.285420886 -0500
@@ -7163,7 +7163,7 @@
 	c.polynomialContent(xvar, cont_c, eo);
 	d.polynomialContent(xvar, cont_d, eo);
 	MathStructure gamma;
-	MathStructure::gcd(cont_c, cont_d, gamma, eo, false);
+	MathStructure::gcd(cont_c, cont_d, gamma, eo, NULL);
 	if(ddeg.isZero()) {
 		mgcd = gamma;
 		return true;