diff --git a/ptbletter/ptbletter.cls b/ptbletter/ptbletter.cls
index 5b08ffe44fbacc1ca7bf4b0390df9f8984917b41..0690c1eee3cb17a74b34dca483c6c3abe456fb68 100644
--- a/ptbletter/ptbletter.cls
+++ b/ptbletter/ptbletter.cls
@@ -154,10 +154,15 @@
 \@setplength{firstfootvpos}{764bp}
 \@setplength{firstfootwidth}{\useplength{firstheadwidth}}
 
+\@setplength{subjectaftervskip}{23bp}
 
-\footskip= 30bp %
+\@setplength{sigindent}{3em}
+\@setplength{sigbeforevskip}{-20mm}% ???
+\setlength{\textheight}{230mm}
+\setlength{\footskip}{3\baselineskip}
+\setlength{\footheight}{0mm}% ???
 
-\@setplength{subjectaftervskip}{23bp}
+\let\raggedsignature=\raggedright
 
 \removereffields
 
@@ -336,4 +341,5 @@
   \newcommand*\MFg{Sincerely,}
   \newcommand*\MHG{With kind regards,}
 }
+
 \endinput