diff --git a/www/src/build.hy b/www/src/build.hy
index 90bf6e9..c26c306 100644
--- a/www/src/build.hy
+++ b/www/src/build.hy
@@ -25,7 +25,9 @@
   (getattr (stat file) "st_ctime"))
 
 (defn last-changed-prev-compile [file]
-  (getattr (stat (-> file (.replace ".hy" ".html") (.replace "./pages/" "../site/html/"))) "st_ctime"))
+  (if (file? (-> file (.replace ".hy" ".html") (.replace "./pages/" "../site/html/")))
+    (getattr (stat (-> file (.replace ".hy" ".html") (.replace "./pages/" "../site/html/"))) "st_ctime")
+    False))
 
 (defmain []
   (setv last-compile-time (last-changed "../site"))