diff --git a/make/tex.mk b/make/tex.mk
index 7a551c31..9d37ace2 100644
--- a/make/tex.mk
+++ b/make/tex.mk
@@ -14,6 +14,7 @@ AUTHORS               ?=
 DATE                  ?= $(shell date +'%Y/%m/%d')
 #CONFIDENTIAL_REMARK              ?= Vertraulich
 BEAMER_HANDOUT        ?= false
+BEAMER_ASPECTRATIO    ?= 169
 
 # -- files
 MAIN                  ?= main
@@ -152,7 +153,11 @@ DOCUMENT_CLASS = article
 endif
 
 ifeq ($(BEAMER_HANDOUT),true)
-BEAMER_HANDOUT_OPTION=handout
+BEAMER_HANDOUT_OPTION += handout
+endif
+
+ifneq ($(BEAMER_ASPECTRATIO),)
+BEAMER_HANDOUT_OPTION += aspectratio=$(BEAMER_ASPECTRATIO)
 endif
 
 define mangle_tmpl
diff --git a/tmpl/tex/de_presentation/header.tex.tmpl b/tmpl/tex/de_presentation/header.tex.tmpl
index 49ce5e90..c62747d8 100644
--- a/tmpl/tex/de_presentation/header.tex.tmpl
+++ b/tmpl/tex/de_presentation/header.tex.tmpl
@@ -1,5 +1,5 @@
 % vim: set filetype=tex :
-\documentclass[__HANDOUT__,slidestop,usepdftitle=false]{beamer}
+\documentclass[__HANDOUT__,slidestop,usepdftitle=false,__ASPECTRATIO__]{beamer}
 \usepackage[accumulated]{beamerseminar}
 \usepackage{beamertexpower}
 \usepackage{beamerthemeshadow}