diff --git a/stim/visualization/gl_network.h b/stim/visualization/gl_network.h
index d2ddbd7..e6ef107 100644
--- a/stim/visualization/gl_network.h
+++ b/stim/visualization/gl_network.h
@@ -112,9 +112,9 @@ public:
 
 		if (radius != sigma)					// if render radius was changed by user, create a new display list
 			glDeleteLists(dlist, 1);
-		if (!glIsList(dlist)) {					// if dlist isn't a display list, create it
-			dlist = glGenLists(1);				// generate a display list
-			glNewList(dlist, GL_COMPILE);		// start a new display list
+		if (!glIsList(dlist)) {										// if dlist isn't a display list, create it
+			dlist = glGenLists(1);									// generate a display list
+			glNewList(dlist, GL_COMPILE);							// start a new display list
 			for (unsigned e = 0; e < E.size(); e++) {				// for each edge in the network
 				for (unsigned p = 1; p < E[e].size(); p++) {		// for each point on that edge
 					stim::circle<T> C1 = E[e].circ(p - 1);
@@ -125,9 +125,10 @@ public:
 					std::vector< stim::vec3<T> >Cp2 = C2.glpoints(20);
 					glBegin(GL_QUAD_STRIP);
 					for (unsigned i = 0; i < Cp1.size(); i++) {		// for every point on the circle(+1 means closing the circle)
+						glTexCoord1f(E[e].r(p-1));
 						glVertex3f(Cp1[i][0], Cp1[i][1], Cp1[i][2]);
-						glVertex3f(Cp2[i][0], Cp2[i][1], Cp2[i][2]);
 						glTexCoord1f(E[e].r(p));
+						glVertex3f(Cp2[i][0], Cp2[i][1], Cp2[i][2]);
 					}
 					glEnd();
 				}								// set the texture coordinate based on the specified magnitude index
--
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