diff --git a/CHANGELOG.md b/CHANGELOG.md
index cccbe91..1a7e48f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+# 1.3.1
+
+2014-05-12
+
+- Added default empty string values for common last_segment_x variables
+
 # 1.3.0
 
 2014-05-07
diff --git a/README.md b/README.md
index d92e4e6..8120549 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Helpvars 1.3.0
+# Helpvars 1.3.1
 
 A lightweight extension to make common segment and helper variables (such as segment_x_category_id) available globally.
 
diff --git a/package.json b/package.json
index 13a8e39..3249b13 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
 	"schema_version": "1.0",
 	"name" : "helpvars",
 	"label": "Helpvars",
-	"version": "1.3.0",
+	"version": "1.3.1",
 	"types": ["extension"],
 	"paths": {
 		"system": [
diff --git a/system/expressionengine/third_party/helpvars/ext.helpvars.php b/system/expressionengine/third_party/helpvars/ext.helpvars.php
index e025a10..9e6b713 100644
--- a/system/expressionengine/third_party/helpvars/ext.helpvars.php
+++ b/system/expressionengine/third_party/helpvars/ext.helpvars.php
@@ -11,7 +11,7 @@
 class Helpvars_ext {
 
 	public $name = 'Helpvars';
-	public $version = '1.3.0';
+	public $version = '1.3.1';
 	public $description = 'Make various segment and helper variables available globally.';
 	public $docs_url = 'https://github.com/caddis/helpvars';
 	public $settings_exist = 'n';
@@ -80,6 +80,11 @@ public function template_fetch_template()
 		$data['paginated'] = false;
 		$data['not_paginated'] = true;
 		$data['last_segment_primary'] = '';
+		$data['last_segment_category_id'] = '';
+		$data['last_segment_category_name'] = '';
+		$data['last_segment_category_description'] = '';
+		$data['last_segment_category_image'] = '';
+		$data['last_segment_category_parent_id'] = '';
 
 		if (REQ == 'PAGE' and ! empty(ee()->uri->segments)) {
 			$cats = $segs = $groups = array();