diff --git a/Makefile b/Makefile
index c50efdc..96aec69 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@ OCAMLLDFLAGS = -g
 all : native-code native-code-library byte-code-library top htdoc
 
 clean ::
-	rm -r doc
+	rm -rf doc
 
 LIBINSTALL_FILES = cpdf.a cpdf.cma cpdf.cmxa \
 $(foreach x,$(MODS),$x.mli) $(foreach x,$(MODS),$x.cmi)
diff --git a/blank.pdf b/blank.pdf
new file mode 100644
index 0000000..25c2c37
Binary files /dev/null and b/blank.pdf differ
diff --git a/cpdf.ml b/cpdf.ml
index c7054c5..1e31bbc 100644
--- a/cpdf.ml
+++ b/cpdf.ml
@@ -3253,7 +3253,7 @@ let rec ranges_of_range curr prev = function
 let page1 labels =
   mem true (map (function l -> l.Pdfpagelabels.startpage = 1) labels)
 
-let add_page_labels pdf style prefix offset range =
+let add_page_labels pdf style prefix startval range =
   let ranges = map extremes (ranges_of_range [] [] range)
   and labels = Pdfpagelabels.read pdf in
     let labels =
@@ -3272,7 +3272,7 @@ let add_page_labels pdf style prefix offset range =
              {Pdfpagelabels.labelstyle = style;
               Pdfpagelabels.labelprefix = prefix;
               Pdfpagelabels.startpage = s;
-              Pdfpagelabels.startvalue = s + offset}
+              Pdfpagelabels.startvalue = startval}
            in
              labels := Pdfpagelabels.add_label !labels label e)
         ranges;
diff --git a/cpdfcommand.ml b/cpdfcommand.ml
index 8a9d3bc..c642a9c 100644
--- a/cpdfcommand.ml
+++ b/cpdfcommand.ml
@@ -3468,7 +3468,7 @@ let go () =
       let pdf = get_single_pdf args.op false in
         let range = parse_pagespec pdf (get_pagespec ()) in
           let offset =
-            match args.labeloffset with None -> 0 | Some x -> x
+            match args.labeloffset with None -> 1 | Some x -> x
           in
             Cpdf.add_page_labels pdf args.labelstyle args.labelprefix offset range;
             write_pdf false pdf