diff --git a/frontend/document/credocument.lua b/frontend/document/credocument.lua
index f7ab6d6f0..76ac52e61 100644
--- a/frontend/document/credocument.lua
+++ b/frontend/document/credocument.lua
@@ -378,7 +378,6 @@ function CreDocument:register(registry)
     registry:addProvider("fb2", "application/fb2", self)
     registry:addProvider("html", "application/html", self)
     registry:addProvider("htm", "application/htm", self)
-    registry:addProvider("zip", "application/zip", self)
     registry:addProvider("rtf", "application/rtf", self)
     registry:addProvider("mobi", "application/mobi", self)
     registry:addProvider("prc", "application/prc", self)
diff --git a/frontend/document/pdfdocument.lua b/frontend/document/pdfdocument.lua
index 7e920e788..5e8750082 100644
--- a/frontend/document/pdfdocument.lua
+++ b/frontend/document/pdfdocument.lua
@@ -225,6 +225,7 @@ function PdfDocument:register(registry)
     registry:addProvider("pdf", "application/pdf", self)
     registry:addProvider("cbz", "application/cbz", self)
     registry:addProvider("xps", "application/xps", self)
+    registry:addProvider("zip", "application/zip", self)
 end
 
 return PdfDocument