diff --git a/src/examples.jl b/src/examples.jl
index 72e2ee9f..bab369e6 100644
--- a/src/examples.jl
+++ b/src/examples.jl
@@ -885,7 +885,14 @@ _backend_skips = Dict(
     :plotlyjs => [2, 21, 24, 25, 30, 31],
     :plotly => [2, 21, 24, 25, 30, 31],
     :pgfplots => [2, 5, 6, 10, 16, 20, 22, 23, 25, 28, 30, 31, 34, 37, 38, 39],
-)
+    :pgfplotsx => [ 6, # images
+                    10, # histogram2d
+                    20, # annotations due to missing sanitation
+                    22, # contourf
+                    23, # pie
+                    32, # spy
+                    38, # histogram2d
+                  ] )