diff --git a/nomsu_environment.lua b/nomsu_environment.lua
index 9e57cc6..6671f38 100644
--- a/nomsu_environment.lua
+++ b/nomsu_environment.lua
@@ -360,6 +360,9 @@ nomsu_environment = Importer({
       if not (self.SOURCE_MAP[source_key] or self.OPTIMIZATION >= 2) then
         local map = { }
         local file = Files.read(source.filename)
+        if not file and NOMSU_PREFIX then
+          file = Files.read(tostring(NOMSU_PREFIX) .. "/share/nomsu/" .. tostring(table.concat(NOMSU_VERSION, ".")) .. "/" .. tostring(source.filename))
+        end
         if not file then
           error("Failed to find file: " .. tostring(source.filename))
         end
diff --git a/nomsu_environment.moon b/nomsu_environment.moon
index c519b06..0f5f411 100644
--- a/nomsu_environment.moon
+++ b/nomsu_environment.moon
@@ -235,6 +235,8 @@ nomsu_environment = Importer{
             unless @SOURCE_MAP[source_key] or @OPTIMIZATION >= 2
                 map = {}
                 file = Files.read(source.filename)
+                if not file and NOMSU_PREFIX
+                    file = Files.read("#{NOMSU_PREFIX}/share/nomsu/#{table.concat NOMSU_VERSION, "."}/#{source.filename}")
                 if not file
                     error "Failed to find file: #{source.filename}"
                 nomsu_str = file\sub(source.start, source.stop)