diff --git a/src/options.jl b/src/options.jl
index f7a5317f..109e0a24 100644
--- a/src/options.jl
+++ b/src/options.jl
@@ -65,6 +65,8 @@ end
 function prockey(key)
     if isa(key, Symbol) || isa(key, String)
         return :($(string(key)) => nothing)
+    elseif @capture(key, @raw_str(str_))
+        return :($(string(str)) => nothing)
     elseif @capture(key, (a_ : b_) | (a_ => b_) | (a_ = b_))
         return :($(string(a))=>$b)
     elseif @capture(key, g_...)
diff --git a/test/test_options.jl b/test/test_options.jl
index e9a1b345..929f9424 100644
--- a/test/test_options.jl
+++ b/test/test_options.jl
@@ -14,10 +14,10 @@ end
     a = 1
     b = 2
     theme = @pgf {color = "white"}
-    opt = @pgf { xmax = a + b, title = "42", justkey, theme... }
+    opt = @pgf { xmax = a + b, title = "42", justkey, raw"rawstring", theme... }
     @test opt["color"] == "white"
     @test repr_tex(opt) == repr_tex(Options("xmax" => 3, "title" => "42", "justkey" => nothing,
-                                            "color" => "white"))
+                                            "rawstring" => nothing, "color" => "white"))
     f(x...) = tuple(x...)
     y = @pgf f({ look, we, are = f(1, 2, 3), nesting = { stuff = 9 }})
     @test length(y) == 1