diff --git a/_layouts/blog.html b/_layouts/blog.html
index 62f998c4f34e31b75d9978de7ec9be1cd3c15327..f9b63d45f633bd23524a9f8f3f0c571ab369e55a 100644
--- a/_layouts/blog.html
+++ b/_layouts/blog.html
@@ -58,8 +58,8 @@ css: blog
 
 		  {% if paginator.total_pages > 1 %}
 		  {% if page.category %}
-			{% assign path = "/category/:cat/page:num.html" | replace: ":cat", page.category %}
-			{% assign index = "/category/:cat/index.html" | replace: ":cat", page.category %}
+			{% assign path = "/category/:cat/page:num.html" | replace: ":cat", page.category | downcase %}
+			{% assign index = "/category/:cat/index.html" | replace: ":cat", page.category | downcase %}
 		  {% else %}
 			{% assign path = site.paginate_path %}
 			{% assign index = "/blog/index.html"%}