diff --git a/nomsu.lua b/nomsu.lua
index 200b45a..bc7ec80 100644
--- a/nomsu.lua
+++ b/nomsu.lua
@@ -805,7 +805,7 @@ do
   end
   Compiler = _class_0
 end
-if arg[1] then
+if arg and arg[1] then
   local c = Compiler()
   local input = io.open(arg[1]):read("*a")
   local _print = print
@@ -831,7 +831,7 @@ if arg[1] then
     end
     local utils = require('utils')
     local Compiler = require('nomsu')
-    local c = Compiler(require('core'))
+    local c = Compiler()
     load()(c, {})
     ]])
   end
diff --git a/nomsu.moon b/nomsu.moon
index 243dd64..1c87a8e 100755
--- a/nomsu.moon
+++ b/nomsu.moon
@@ -532,7 +532,7 @@ class Compiler
 
 -- Run on the command line via "./nomsu.moon input_file.nom" to execute
 -- and "./nomsu.moon input_file.nom output_file.lua" to compile (use "-" to compile to stdout)
-if arg[1]
+if arg and arg[1]
     c = Compiler()
     input = io.open(arg[1])\read("*a")
     -- Kinda hacky, if run via "./nomsu.moon file.nom -", then silence print and io.write
@@ -560,7 +560,7 @@ if arg[1]
     end
     local utils = require('utils')
     local Compiler = require('nomsu')
-    local c = Compiler(require('core'))
+    local c = Compiler()
     load()(c, {})
     ]]