diff --git a/nomsu_compiler.lua b/nomsu_compiler.lua
index 2e286b7..c3fc802 100644
--- a/nomsu_compiler.lua
+++ b/nomsu_compiler.lua
@@ -131,15 +131,20 @@ end
 local Parsers = { }
 local max_parser_version = 0
 for version = 1, 999 do
-  do
-    local peg_contents = Files.read("nomsu." .. tostring(version) .. ".peg")
-    if peg_contents then
-      max_parser_version = version
-      Parsers[version] = make_parser(peg_contents, make_tree)
-    else
-      break
+  local found_version = false
+  for _, full_path in Files.walk("nomsu." .. tostring(version) .. ".peg") do
+    do
+      local peg_contents = Files.read(full_path)
+      if peg_contents then
+        found_version = true
+        max_parser_version = version
+        Parsers[version] = make_parser(peg_contents, make_tree)
+      end
     end
   end
+  if not (found_version) then
+    break
+  end
 end
 local MAX_LINE = 80
 local NomsuCompiler = setmetatable({ }, {
diff --git a/nomsu_compiler.moon b/nomsu_compiler.moon
index 19d4049..f5cc7d2 100644
--- a/nomsu_compiler.moon
+++ b/nomsu_compiler.moon
@@ -79,10 +79,13 @@ make_tree = (tree, userdata)->
 Parsers = {}
 max_parser_version = 0
 for version=1,999
-    if peg_contents = Files.read("nomsu.#{version}.peg")
-        max_parser_version = version
-        Parsers[version] = make_parser(peg_contents, make_tree)
-    else break
+    found_version = false
+    for _, full_path in Files.walk("nomsu.#{version}.peg")
+        if peg_contents = Files.read(full_path)
+            found_version = true
+            max_parser_version = version
+            Parsers[version] = make_parser(peg_contents, make_tree)
+    break unless found_version
 
 MAX_LINE = 80 -- For beautification purposes, try not to make lines much longer than this value
 NomsuCompiler = setmetatable {}, {__tostring: => "Nomsu"}