diff --git a/src/examples.jl b/src/examples.jl
index 498f367f..3391c21f 100644
--- a/src/examples.jl
+++ b/src/examples.jl
@@ -1044,8 +1044,10 @@ const _examples = PlotExample[
         "Polar heatmaps",
         "",
         [quote
-            z = (1:4) .+ (1:8)'
-            heatmap(z, projection = :polar)
+        x = range(0, 2π, length=0)
+        y = 0:4
+        z = (1:4) .+ (1:8)'
+        heatmap(x, y, z, projection = :polar)
         end]
     ),
     PlotExample( # 50