diff --git a/debian/debian-configure-sshd.sh b/debian/debian-configure-sshd.sh
index 5b0c86d..e45e71e 100644
--- a/debian/debian-configure-sshd.sh
+++ b/debian/debian-configure-sshd.sh
@@ -92,7 +92,7 @@ fi
 
 
 # config /root/.ssh/
-isInFile=$(cat /root/.ssh/config | grep -c "*root")
+isInFile=$(cat /root/.ssh/config | grep -c "*-root")
 if [ $isInFile -eq 0 ]
     then
         cp /root/.ssh/config /root/.ssh/config.bak > /dev/null 2>&1