diff --git a/curvedLines.js b/curvedLines.js
index af2a5ae..aa8fa12 100644
--- a/curvedLines.js
+++ b/curvedLines.js
@@ -298,6 +298,9 @@
 				xnew[0] = xdata[0];
 				ynew[0] = ydata[0];
 
+				result.push(xnew[0]);
+				result.push(ynew[0]);
+
 				for ( j = 1; j < num; ++j) {
 					xnew[j] = xnew[0] + j * step;