1 files changed, 2 insertions, 2 deletions
diff --git a/test/shape.cxx b/test/shape.cxx
index b64067bbd..ac298767d 100644
--- a/test/shape.cxx
+++ b/test/shape.cxx
@@ -60,8 +60,8 @@ void shape_window::draw() {
   glClear(GL_COLOR_BUFFER_BIT);
   glColor3f(.5,.6,.7);
   glBegin(GL_POLYGON);
-  for (int i=0; i<sides; i++) {
-    double ang = i*2*M_PI/sides;
+  for (int j=0; j<sides; j++) {
+    double ang = j*2*M_PI/sides;
     glVertex3f(cos(ang),sin(ang),0);
   }
   glEnd();