diff --git a/scripts/install b/scripts/install
index 64a9171..9c93c3f 100644
--- a/scripts/install
+++ b/scripts/install
@@ -104,8 +104,7 @@ sed -i "s@ALIASTOCHANGE@$final_path@g" ../conf/config.php
 sed -i "s@LOGTOCHANGE@$final_logpath@g" ../conf/config.php
 
 # Enable caldav carddav support
-sudo yunohost app list -f baikal --json | grep '"installed": true'
-if [ "$?" -eq 0 ]; then
+if sudo yunohost app list --installed -f baikal | grep -q id ; then
 	echo "Detected Baikal"
 	caldavdomain=$(sudo yunohost app setting baikal domain)
 	caldavpath=$(sudo yunohost app setting baikal path)
diff --git a/scripts/upgrade b/scripts/upgrade
index 7abb11f..402dcff 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -65,8 +65,7 @@ sed -i "s@ALIASTOCHANGE@$final_path@g" ../conf/config.php
 sed -i "s@LOGTOCHANGE@$final_logpath@g" ../conf/config.php
 
 # Enable caldav carddav support
-sudo yunohost app list -f baikal --json | grep '"installed": true'
-if [ "$?" -eq 0 ]; then
+if sudo yunohost app list --installed -f baikal | grep -q id ; then
         echo "Detected Baikal"
         caldavdomain=$(sudo yunohost app setting baikal domain)
         caldavpath=$(sudo yunohost app setting baikal path)