diff --git a/src/cryogen_core/compiler.clj b/src/cryogen_core/compiler.clj
index 70aa9c0..599a43f 100644
--- a/src/cryogen_core/compiler.clj
+++ b/src/cryogen_core/compiler.clj
@@ -266,7 +266,7 @@
   "Returns a sequence of vectors, each containing a set of post previews"
   [posts-per-page blocks-per-preview posts]
   (->> posts
-       (reduce (fn [v post] (conj v (create-preview blocks-per-preview post))) [])
+       (map #(create-preview blocks-per-preview %))
        (partition-all posts-per-page)
        (map-indexed (fn [i v] {:index (inc i) :posts v}))))