diff --git a/src/Weave.jl b/src/Weave.jl
index 6c1512b..cc4edc9 100644
--- a/src/Weave.jl
+++ b/src/Weave.jl
@@ -64,8 +64,8 @@ Weave an input document to output file.
    Julia working directory, `"somepath"`: output directory as a String e.g `"/home/mpastell/weaveout"` or filename as
    string e.g. ~/outpath/outfile.tex.
 * `args`: dictionary of arguments to pass to document. Available as WEAVE_ARGS
-* `mod`: Module where Weave `eval`s code. Defaults to `Main`. Use `:sandbox`
-   to create new sandbox module for source.
+* `mod`: Module where Weave `eval`s code. Defaults to `:sandbox`
+   to create new sandbox module, you can also pass a module e.g. `Main`.
 * `fig_path`: where figures will be generated, relative to out_path
 * `fig_ext`: Extension for saved figures e.g. `".pdf"`, `".png"`. Default setting depends on `doctype`.
 * `cache_path`: where of cached output will be saved.
@@ -82,7 +82,7 @@ Weave an input document to output file.
 """
 function weave(source ; doctype = :auto, plotlib=:auto,
         informat=:auto, out_path=:doc, args = Dict(),
-        mod::Union{Module, Symbol} = Main,
+        mod::Union{Module, Symbol} = :sandbox,
         fig_path = "figures", fig_ext = nothing,
         cache_path = "cache", cache=:off,
         throw_errors = false,
diff --git a/src/run.jl b/src/run.jl
index 1b99457..215d5c9 100644
--- a/src/run.jl
+++ b/src/run.jl
@@ -1,7 +1,7 @@
 
 """
     run(doc::WeaveDoc; doctype = :auto, plotlib=:auto,
-        mod::Union{Module, Symbol} = Main, out_path=:doc,
+        mod::Union{Module, Symbol} = :sandbox, out_path=:doc,
         args=Dict(), fig_path = "figures", fig_ext = nothing,
         cache_path = "cache", cache = :off, throw_errors=false)
 
@@ -13,8 +13,8 @@ Run code chunks and capture output from parsed document.
 * `out_path`: Path where the output is generated. Can be: `:doc`: Path of the source document, `:pwd`: Julia working directory,
   `"somepath"`: Path as a AbstractString e.g `"/home/mpastell/weaveout"`
 * `args`: dictionary of arguments to pass to document. Available as WEAVE_ARGS.
-* `mod`: Module where Weave `eval`s code. Defaults to `Main`. Use `:sandbox`
-   to create new sandbox module for source.
+* `mod`: Module where Weave `eval`s code. Defaults to `:sandbox`
+   to create new sandbox module, you can also pass a module e.g. `Main`.
 * `fig_path`: where figures will be generated, relative to out_path
 * `fig_ext`: Extension for saved figures e.g. `".pdf"`, `".png"`. Default setting depends on `doctype`.
 * `cache_path`: where of cached output will be saved.
@@ -24,7 +24,7 @@ Run code chunks and capture output from parsed document.
 **Note:** Run command from terminal and not using IJulia, Juno or ESS, they tend to mess with capturing output.
 """
 function Base.run(doc::WeaveDoc; doctype = :auto, plotlib=:auto,
-        mod::Union{Module, Symbol} = Main, out_path=:doc,
+        mod::Union{Module, Symbol} = :sandbox, out_path=:doc,
         args=Dict(), fig_path = "figures", fig_ext = nothing,
         cache_path = "cache", cache = :off, throw_errors=false)
     #cache :all, :user, :off, :refresh
@@ -51,9 +51,8 @@ function Base.run(doc::WeaveDoc; doctype = :auto, plotlib=:auto,
 
     #New sandbox for each document with args exposed
     if mod == :sandbox
-        sandbox = "ReportSandBox$(rcParams[:doc_number])"
-        eval(Meta.parse("module $sandbox\nend"))
-        mod = eval(Meta.parse(sandbox))
+        sandbox = "WeaveSandBox$(rcParams[:doc_number])"
+        mod = Core.eval(Main, Meta.parse("module $sandbox\nend"))
     end
     @eval mod WEAVE_ARGS = Dict()
     merge!(mod.WEAVE_ARGS, args)
diff --git a/test/sandbox_test.jl b/test/sandbox_test.jl
index 74fe412..0ecf754 100644
--- a/test/sandbox_test.jl
+++ b/test/sandbox_test.jl
@@ -31,5 +31,5 @@ wdoc = weavestring(smod)
 @test wdoc.chunks[2].output == "x"
 
 sdoc = weavestring(smod, mod=:sandbox)
-@test occursin(r"Weave.ReportSandBox[0-9]*.TestMod\n", sdoc.chunks[1].output)
+@test occursin(r"Main.WeaveSandBox[0-9]*.TestMod\n", sdoc.chunks[1].output)
 @test sdoc.chunks[2].output == "x"