diff --git a/latex/ysbeamer.tex b/latex/ysbeamer.tex
index 0b94ab1..6009369 100644
--- a/latex/ysbeamer.tex
+++ b/latex/ysbeamer.tex
@@ -114,11 +114,17 @@
 \tikzstyle{crashfloyd} = [basefloyd, fill=red!20]
 \tikzstyle{invfloyd} = [basefloyd, fill=green!20]
 
+\newbox\@tempboxb
+
 \newcommand<>\placehold[1]{%
   \setbox\@tempboxa\hbox{#1}%
+  \setbox\@tempboxb\hbox{\null}%
+  \wd\@tempboxb=\wd\@tempboxa
+  \ht\@tempboxb=\ht\@tempboxa
+  \dp\@tempboxb=\dp\@tempboxa
   % Use the below definition if color goes wrong
   % \setbox\@tempboxa\hbox{\color@begingroup#1\color@endgroup}%
-  \alt#2{\box\@tempboxa}{\hbox to \wd\@tempboxa{\hfill}}%
+  \alt#2{\box\@tempboxa}{\box\@tempboxb}%
 }
 
 \mode<article>{\parskip=1ex plus .5ex minus 0.5ex}