diff --git a/src/examples.jl b/src/examples.jl
index 3391c21f..b81f5789 100644
--- a/src/examples.jl
+++ b/src/examples.jl
@@ -1044,7 +1044,7 @@ const _examples = PlotExample[
         "Polar heatmaps",
         "",
         [quote
-        x = range(0, 2π, length=0)
+        x = range(0, 2π, length=9)
         y = 0:4
         z = (1:4) .+ (1:8)'
         heatmap(x, y, z, projection = :polar)