diff --git a/library/Icingadb/Model/HoststateSummary.php b/library/Icingadb/Model/HoststateSummary.php
index 0537f805..c61e6f3a 100644
--- a/library/Icingadb/Model/HoststateSummary.php
+++ b/library/Icingadb/Model/HoststateSummary.php
@@ -21,10 +21,12 @@ class HoststateSummary extends Host
                     'SUM(CASE WHEN host.passive_checks_enabled = \'y\' THEN 1 ELSE 0 END)'
                 ),
                 'hosts_down_handled'            => new Expression(
-                    'SUM(CASE WHEN host_state.soft_state = 1 AND host_state.is_handled = \'y\' THEN 1 ELSE 0 END)'
+                    'SUM(CASE WHEN host_state.soft_state = 1'
+                    . ' AND host_state.is_handled = \'y\' THEN 1 ELSE 0 END)'
                 ),
                 'hosts_down_unhandled'          => new Expression(
-                    'SUM(CASE WHEN host_state.soft_state = 1 AND host_state.is_handled = \'n\' THEN 1 ELSE 0 END)'
+                    'SUM(CASE WHEN host_state.soft_state = 1'
+                    . ' AND host_state.is_handled = \'n\' THEN 1 ELSE 0 END)'
                 ),
                 'hosts_event_handler_enabled'   => new Expression(
                     'SUM(CASE WHEN host.event_handler_enabled = \'y\' THEN 1 ELSE 0 END)'
@@ -39,7 +41,8 @@ class HoststateSummary extends Host
                     'SUM(CASE WHEN host_state.soft_state = 99 THEN 1 ELSE 0 END)'
                 ),
                 'hosts_problems_unacknowledged' => new Expression(
-                    'SUM(CASE WHEN host_state.is_problem = \'y\' AND host_state.is_acknowledged = \'n\' THEN 1 ELSE 0 END)'
+                    'SUM(CASE WHEN host_state.is_problem = \'y\''
+                    . ' AND host_state.is_acknowledged = \'n\' THEN 1 ELSE 0 END)'
                 ),
                 'hosts_total'                   => new Expression(
                     'SUM(CASE WHEN host_state.soft_state IS NOT NULL THEN 1 ELSE 0 END)'
@@ -48,10 +51,12 @@ class HoststateSummary extends Host
                     'SUM(CASE WHEN host_state.soft_state = 2 THEN 1 ELSE 0 END)'
                 ),
                 'hosts_unreachable_handled'     => new Expression(
-                    'SUM(CASE WHEN host_state.soft_state = 2 AND host_state.is_handled = \'y\' THEN 1 ELSE 0 END)'
+                    'SUM(CASE WHEN host_state.soft_state = 2'
+                    . ' AND host_state.is_handled = \'y\' THEN 1 ELSE 0 END)'
                 ),
                 'hosts_unreachable_unhandled'   => new Expression(
-                    'SUM(CASE WHEN host_state.soft_state = 2 AND host_state.is_handled = \'n\' THEN 1 ELSE 0 END)'
+                    'SUM(CASE WHEN host_state.soft_state = 2'
+                    . ' AND host_state.is_handled = \'n\' THEN 1 ELSE 0 END)'
                 ),
                 'hosts_up'                      => new Expression(
                     'SUM(CASE WHEN host_state.soft_state = 0 THEN 1 ELSE 0 END)'