diff --git a/spec/unit/readerui_spec.lua b/spec/unit/readerui_spec.lua
index 339911545..57d8110c2 100644
--- a/spec/unit/readerui_spec.lua
+++ b/spec/unit/readerui_spec.lua
@@ -1,6 +1,6 @@
 describe("Readerui module", function()
     local DocumentRegistry, ReaderUI, DocSettings, UIManager, Screen
-    local sample_epub = "spec/front/unit/data/leaves.epub"
+    local sample_epub = "spec/front/unit/data/juliet.epub"
     local readerui
     setup(function()
         require("commonrequire")