diff --git a/frontend/document/credocument.lua b/frontend/document/credocument.lua
index 3f0288699..e2afaaae5 100644
--- a/frontend/document/credocument.lua
+++ b/frontend/document/credocument.lua
@@ -16,7 +16,6 @@ CreDocument = Document:new{
 	fallback_font = "Droid Sans Fallback",
 	default_css = "./data/cr3.css",
 	options = CreOptions,
-	configurable = Configurable,
 }
 
 -- NuPogodi, 20.05.12: inspect the zipfile content
diff --git a/frontend/document/djvudocument.lua b/frontend/document/djvudocument.lua
index c8f71af8c..005abfd76 100644
--- a/frontend/document/djvudocument.lua
+++ b/frontend/document/djvudocument.lua
@@ -10,7 +10,6 @@ DjvuDocument = Document:new{
 	djvulibre_cache_size = nil,
 	dc_null = DrawContext.new(),
 	options = KoptOptions,
-	configurable = Configurable,
 	koptinterface = KoptInterface,
 }
 
diff --git a/frontend/document/document.lua b/frontend/document/document.lua
index a5b15a913..6eb2a528e 100644
--- a/frontend/document/document.lua
+++ b/frontend/document/document.lua
@@ -60,24 +60,26 @@ Document = {
 		number_of_pages = 0,
 		-- if not pageable, length of the document in pixels
 		doc_height = 0,
-		
+
 		-- other metadata
 		title = "",
 		author = "",
 		date = ""
 	},
-	
+
 	GAMMA_NO_GAMMA = 1.0,
-	
+
 	-- override bbox from orignal page's getUsedBBox
 	bbox = {},
-		
+
 	-- flag to show whether the document was opened successfully
 	is_open = false,
 	error_message = nil,
 
 	-- flag to show that the document needs to be unlocked by a password
 	is_locked = false,
+
+	configurable = Configurable,
 }
 
 function Document:new(o)
diff --git a/frontend/document/pdfdocument.lua b/frontend/document/pdfdocument.lua
index 1a376c826..dc6274b0b 100644
--- a/frontend/document/pdfdocument.lua
+++ b/frontend/document/pdfdocument.lua
@@ -10,7 +10,6 @@ PdfDocument = Document:new{
 	mupdf_cache_size = 5 * 1024 * 1024,
 	dc_null = DrawContext.new(),
 	options = KoptOptions,
-	configurable = Configurable,
 	koptinterface = KoptInterface,
 }