diff --git a/blockauth b/blockauth
index ccdf28e..a42f99f 100755
--- a/blockauth
+++ b/blockauth
@@ -99,6 +99,13 @@ if [ -z "${max_ip_blocklist}" ] ; then
 fi
 source /etc/blockauth/blockauth.conf
 
+# Force edit configuration file
+if [ "${valid_users}" == "test1 test2" ] ; then
+  echo "blockauth: you must first configure the file /etc/blockauth/blockauth.conf"
+  echo "blockauth: process stopped"
+  exit
+fi
+
 echo "blockauth: running process"
 blockauth=0
 while [ ${blockauth} -eq 0 ] ; do