diff --git a/src/backends/pgfplotsx.jl b/src/backends/pgfplotsx.jl
index 1931343a..97863344 100644
--- a/src/backends/pgfplotsx.jl
+++ b/src/backends/pgfplotsx.jl
@@ -901,6 +901,15 @@ function pgfx_sanitize_string(s::AbstractString)
     s = replace(s, r"\\?\%" => "\\%")
     s = replace(s, r"\\?\_" => "\\_")
     s = replace(s, r"\\?\&" => "\\&")
+    s = replace(s, r"\\?\{" => "\\{")
+    s = replace(s, r"\\?\}" => "\\}")
+end
+@require LaTeXStrings = "b964fa9f-0449-5b57-a5c2-d3ea65f4040f" begin
+    using LaTeXStrings
+    function pgfx_sanitize_string(s::LaTeXString)
+        s = replace(s, r"\\?\#" => "\\#")
+        s = replace(s, r"\\?\%" => "\\%")
+    end
 end
 function pgfx_sanitize_plot!(plt)
         for (key, value) in plt.attr