diff --git a/examples/cluster.c b/examples/cluster.c
index 2fa7319..a403af2 100644
--- a/examples/cluster.c
+++ b/examples/cluster.c
@@ -79,7 +79,7 @@ static void draw_tachometer(cairo_t *cr,
      * Draw a tiny boi circle
      */
     cairo_set_source_rgb(cr, 1, 1, 1);
-    cairo_arc(cr, x, y, 0.08 * r, 0, 360);
+    cairo_arc(cr, x, y, 0.08 * r, 0, 360 * (M_PI/180));
     cairo_fill(cr);
 }
 
@@ -87,7 +87,7 @@ static void draw_speedometer(cairo_t *cr,
                              double x,
                              double y,
                              double r) {
-    cairo_arc(cr, x, y, r, 0, 360);
+    cairo_arc(cr, x, y, r, 0, 360 * (M_PI/180));
     cairo_stroke(cr);
 }
 
@@ -99,8 +99,11 @@ static void draw_thermometer(cairo_t *cr,
     cairo_stroke(cr);
 }
 
-static void draw_fuel_gauge(cairo_t *cr) {
-    cairo_arc(cr, 582, 368, 64, 0, 360 * (M_PI/180));
+static void draw_fuel_gauge(cairo_t *cr,
+                            double x,
+                            double y,
+                            double r) {
+    cairo_arc(cr, x, y, r, 0, 360 * (M_PI/180));
     cairo_stroke(cr);
 }
 
@@ -145,7 +148,7 @@ static void redraw(cairo_t *cr) {
     draw_tachometer(cr, 208, 240, 192);
     draw_speedometer(cr, 816, 240, 192);
     draw_thermometer(cr, 442, 368, 64);
-    draw_fuel_gauge(cr);
+    draw_fuel_gauge(cr, 582, 368, 64);
     draw_mfd(cr, 432, 48, 160, 240);
 }