diff --git a/setup/webmail.sh b/setup/webmail.sh
index 839b653..e064a20 100755
--- a/setup/webmail.sh
+++ b/setup/webmail.sh
@@ -22,7 +22,7 @@ source /etc/mailinabox.conf # load global vars
 echo "Installing Roundcube (webmail)..."
 apt_install \
 	dbconfig-common \
-	php${PHP_VER}-cli php${PHP_VER}-sqlite3 php${PHP_VER}-intl php${PHP_VER}-common php${PHP_VER}-curl php${PHP_VER}-ldap \
+	php${PHP_VER}-cli php${PHP_VER}-sqlite3 php${PHP_VER}-intl php${PHP_VER}-common php${PHP_VER}-curl php${PHP_VER}-imap \
 	php${PHP_VER}-gd php${PHP_VER}-pspell php${PHP_VER}-mbstring libjs-jquery libjs-jquery-mousewheel libmagic1
 
 # Install Roundcube from source if it is not already present or if it is out of date.