diff --git a/spec/core_spec.moon b/spec/core_spec.moon
index c6ba06d..85daeda 100644
--- a/spec/core_spec.moon
+++ b/spec/core_spec.moon
@@ -23,13 +23,9 @@ describe 'core module', ->
 
 		assert.is.table lua_first.test
 		assert.is.string txt_first.test
+	
+	it 'recursively binds to subdirectories', ->
+		assert.equal 'file in subdirectory', config.sub.test
 
-describe 'raw loader', ->
-	before_each -> export loader = require 'glass.raw'
-	it 'loads files as plain text', ->
-		assert.same 'plain text\n', loader 'spec/fixtures/test'
-
-describe 'lua loader', ->
-	before_each -> export loader = require 'glass.lua'
-	it 'loads Lua files', ->
-		assert.same { foo: 'bar', tab: {} }, loader 'spec/fixtures/test'
+	it 'returns nil for missing configs', ->
+		assert.nil config.missing
diff --git a/spec/fixtures/sub/test.lua b/spec/fixtures/sub/test.lua
new file mode 100644
index 0000000..1301fa2
--- /dev/null
+++ b/spec/fixtures/sub/test.lua
@@ -0,0 +1 @@
+return 'file in subdirectory'
diff --git a/spec/loaders_spec.moon b/spec/loaders_spec.moon
new file mode 100644
index 0000000..656460d
--- /dev/null
+++ b/spec/loaders_spec.moon
@@ -0,0 +1,9 @@
+describe 'raw loader', ->
+	before_each -> export loader = require 'glass.raw'
+	it 'loads files as plain text', ->
+		assert.same 'plain text\n', loader 'spec/fixtures/test'
+
+describe 'lua loader', ->
+	before_each -> export loader = require 'glass.lua'
+	it 'loads Lua files', ->
+		assert.same { foo: 'bar', tab: {} }, loader 'spec/fixtures/test'