diff --git a/cpdf.ml b/cpdf.ml
index 5f41217..5fedc5c 100644
--- a/cpdf.ml
+++ b/cpdf.ml
@@ -2057,7 +2057,7 @@ let stamp_shift_of_position topline midline sw sh w h p =
     | Left o -> o, half h -. half sh -. dy
     | BottomLeft o -> o, o -. dy
     | Bottom o -> half w -. half sw, o -. dy
-    | BottomRight o -> w -. sw, o -. dy
+    | BottomRight o -> w -. sw -. o, o -. dy
     | Right o -> w -. sw -. o, half h -. half sh -. dy
     | Diagonal | ReverseDiagonal | Centre ->
         half w -. half sw, half h -. half sh -. dy
diff --git a/cpdfcommand.ml b/cpdfcommand.ml
index db0ae3a..ed6bc7e 100644
--- a/cpdfcommand.ml
+++ b/cpdfcommand.ml
@@ -3,7 +3,7 @@ let demo = false
 let noncomp = false
 let major_version = 2
 let minor_version = 2
-let version_date = "(build of 12th March 2015)"
+let version_date = "(build of 13th May 2015)"
 
 open Pdfutil
 open Pdfio