diff --git a/bootstrapvz/common/tasks/ssh.py b/bootstrapvz/common/tasks/ssh.py
index c3f14c5..f83db8a 100644
--- a/bootstrapvz/common/tasks/ssh.py
+++ b/bootstrapvz/common/tasks/ssh.py
@@ -59,7 +59,7 @@ class EnableRootLogin(Task):
 		sshdconfig_path = os.path.join(info.root, 'etc/ssh/sshd_config')
 		if os.path.exists(sshdconfig_path):
 			from bootstrapvz.common.tools import sed_i
-			sed_i(sshdconfig_path, 'PermitRootLogin .*', 'PermitRootLogin yes')
+			sed_i(sshdconfig_path, '^PermitRootLogin .*', 'PermitRootLogin yes')
 		else:
 			import logging
 			logging.getLogger(__name__).warn('The OpenSSH server has not been installed, '
@@ -75,7 +75,7 @@ class DisableRootLogin(Task):
 		sshdconfig_path = os.path.join(info.root, 'etc/ssh/sshd_config')
 		if os.path.exists(sshdconfig_path):
 			from bootstrapvz.common.tools import sed_i
-			sed_i(sshdconfig_path, 'PermitRootLogin .*', 'PermitRootLogin no')
+			sed_i(sshdconfig_path, '^PermitRootLogin .*', 'PermitRootLogin no')
 		else:
 			import logging
 			logging.getLogger(__name__).warn('The OpenSSH server has not been installed, '