diff --git a/index.js b/index.js
index 87ca329..53d635e 100644
--- a/index.js
+++ b/index.js
@@ -6,7 +6,7 @@ const builtinOverridableReplacements = require('./overridable-replacements');
 const decamelize = string => {
 	return string
 		// Separate capitalized words.
-		.replace(/([A-Z]{2,})([a-z\d]+)/g, '$1 $2')
+		.replace(/([A-Z]{2,})([\d]+)/g, '$1 $2')
 		.replace(/([a-z\d]+)([A-Z]{2,})/g, '$1 $2')
 
 		.replace(/([a-z\d])([A-Z])/g, '$1 $2')
diff --git a/test.js b/test.js
index 3e46825..e4f19b9 100644
--- a/test.js
+++ b/test.js
@@ -23,7 +23,7 @@ test('main', t => {
 	t.is(slugify('foo&bar'), 'foo-and-bar');
 	t.is(slugify('foo360BAR'), 'foo360-bar');
 	t.is(slugify('FOO360'), 'foo-360');
-	t.is(slugify('FOObar'), 'foo-bar');
+	t.is(slugify('FOOBar'), 'foo-bar');
 });
 
 test('custom separator', t => {