4 files changed, 5 insertions, 3 deletions

diff --git a/_config.yml b/_config.yml
index 5f3b770..05aac75 100644
--- a/_config.yml
+++ b/_config.yml
@@ -35,6 +35,11 @@ defaults:
       type: notes
     values:
       layout: note
+  - scope:
+      path: categories
+      type: pages
+    values:
+      layout: category
 
 excerpt_separator: ""
 include_comments: true
diff --git a/categories/c++/index.html b/categories/c++/index.html
index ed18c1a..05a5f3f 100644
--- a/categories/c++/index.html
+++ b/categories/c++/index.html
@@ -1,5 +1,4 @@
 ---
 title: C++
 category: C++
-layout: category
 ---
diff --git a/categories/haskell/index.html b/categories/haskell/index.html
index a69e838..1f19919 100644
--- a/categories/haskell/index.html
+++ b/categories/haskell/index.html
@@ -1,5 +1,4 @@
 ---
 title: Haskell
 category: Haskell
-layout: category
 ---
diff --git a/categories/math/index.html b/categories/math/index.html
index 910af29..9019971 100644
--- a/categories/math/index.html
+++ b/categories/math/index.html
@@ -1,5 +1,4 @@
 ---
 title: Math
 category: Math
-layout: category
 ---