diff --git a/install-koji-farm.sh b/install-koji-farm.sh
index f8007fc..ab38164 100644
--- a/install-koji-farm.sh
+++ b/install-koji-farm.sh
@@ -34,6 +34,7 @@ curl $SILENT $SCRIPT_GIT/bootstrap-build.sh > $SCRIPT_DIR/bootstrap-build.sh
 chmod o+x $SCRIPT_DIR/*.sh
 
 # install any required packages
+dnf install -y epel-release $QUIET
 dnf install -y netcat $QUIET
 
 # ask for required parameters (ssh settings and build server FQDN)
@@ -163,7 +164,7 @@ while true ; do
 
     ## On the HUB
     # check if nfs has been installed on the hub (only need to install once) 
-    if [ ! -f /etc/exports ] ; then
+    if [ ! -s /etc/exports ] ; then
         # add nfs share for koji files direcory to hub
         curl $SILENT $SCRIPT_GIT/deploy-koji-nfs-server.sh > $SCRIPT_DIR/deploy-koji-nfs-server.sh
         chmod o+x $SCRIPT_DIR/deploy-koji-nfs-server.sh