diff --git a/frontend/document/credocument.lua b/frontend/document/credocument.lua
index 7cbeca101..ab648e0df 100644
--- a/frontend/document/credocument.lua
+++ b/frontend/document/credocument.lua
@@ -422,6 +422,7 @@ function CreDocument:register(registry)
     registry:addProvider("txt", "application/txt", self)
     registry:addProvider("epub", "application/epub", self)
     registry:addProvider("fb2", "application/fb2", self)
+    registry:addProvider("fb2.zip", "application/zip", self)
     registry:addProvider("html", "application/html", self)
     registry:addProvider("htm", "application/htm", self)
     registry:addProvider("rtf", "application/rtf", self)