diff --git a/setup/mods.available/remote-nextcloud-use-miab.sh b/setup/mods.available/remote-nextcloud-use-miab.sh
index fc93b344..0f12745e 100755
--- a/setup/mods.available/remote-nextcloud-use-miab.sh
+++ b/setup/mods.available/remote-nextcloud-use-miab.sh
@@ -377,7 +377,7 @@ install_app() {
     if [ ! -x /usr/bin/sudo ]; then
         say "WARNING: sudo is not installed: Unable to run occ to check and/or install Nextcloud app \"$app\"."
         
-    elif [ -z "$(sudo -E -u www-data php $NCDIR/occ app:list | grep $app)" ]; then
+    elif [ -z "$(sudo -E -u www-data php $NCDIR/occ app:list | grep -F "${app}:")" ]; then
         say_verbose "Install app '$app'"
         sudo -E -u www-data php $NCDIR/occ app:install $app
         [ $? -ne 0 ] && die "Unable to install Nextcloud app '$app'"