diff --git a/install/usr/share/swarmlab.io/sec/setup.sh b/install/usr/share/swarmlab.io/sec/setup.sh
index d4c7836..f5b7985 100755
--- a/install/usr/share/swarmlab.io/sec/setup.sh
+++ b/install/usr/share/swarmlab.io/sec/setup.sh
@@ -8,7 +8,7 @@ scheme="$1"
 echo "==> Install system packages"
 apk update 
 apk --no-cache add \
-  evince
+  okular
 #  make \
 #  xz
 #