diff --git a/ptbposter/ptbposter.cls b/ptbposter/ptbposter.cls
index 0773f4a8963c89dce2b3082ca37c3e5865cca2d6..ad775cfb9051ffac6f8b0618d04412d91816c72e 100644
--- a/ptbposter/ptbposter.cls
+++ b/ptbposter/ptbposter.cls
@@ -3,7 +3,7 @@
 \setcounter{errorcontextlines}{100}  \listfiles
 
 \NeedsTeXFormat{LaTeX2e}[1999/12/01]
-\ProvidesClass{ptbposter}[2022/09/08 v1.0c PTB-Poster (RN)]
+\ProvidesClass{ptbposter}[2022/09/12 v1.0d PTB-Poster (RN)]
     
 \newif\ifPTB@useCMYK \PTB@useCMYKfalse % vorerst 
 \newif\ifPTB@german@  \PTB@german@true
@@ -50,6 +50,7 @@
 \newif\ifPTB@XeOrLua \PTB@XeOrLuafalse
 \newif\ifSERIF \SERIFfalse
 \newif\ifMATHSERIF \MATHSERIFfalse
+\newif\ifFIRA \FIRAfalse
 \newif\ifPTB@logo@long@ \PTB@logo@long@true
 
 \RequirePackage{ifluatex,ifxetex}
@@ -76,6 +77,9 @@
 \DeclareOption{mathserif}{%
   \MATHSERIFtrue
 }
+\DeclareOption{fira}{%
+  \FIRAtrue
+}
 \DeclareOption{boldTitle}{%
   \global\let\PTB@title@series=\bfseries
 }