diff --git a/app/system/resources/dashboard/system_cpu_status.php b/app/system/resources/dashboard/system_cpu_status.php
index 8f905e69bc..019ca0f309 100644
--- a/app/system/resources/dashboard/system_cpu_status.php
+++ b/app/system/resources/dashboard/system_cpu_status.php
@@ -38,7 +38,7 @@
 			if (is_numeric($value)) { $percent_cpu = $percent_cpu + $value; }
 		}
 		if (stristr(PHP_OS, 'BSD')) {
-			$result = trim(shell_exec("dmesg | grep -i --max-count 1 CPUs | sed 's/[^0-9]*//g'"));
+			$result = system("dmesg | grep -i --max-count 1 CPUs | sed 's/[^0-9]*//g'");
 			$cpu_cores = trim($result);
 		}
 		if (stristr(PHP_OS, 'Linux')) {
@@ -124,7 +124,7 @@
 	echo "</tr>\n";
 
 	if (PHP_OS == 'FreeBSD' || PHP_OS == 'Linux') {
-		if ($percent_cpu != '') {
+		if (!empty($percent_cpu)) {
 			echo "<tr class='tr_link_void'>\n";
 			echo "<td valign='top' class='".$row_style[$c]." hud_text'>".$text['label-cpu_usage']."</td>\n";
 			echo "<td valign='top' class='".$row_style[$c]." hud_text' style='text-align: right;'>".$percent_cpu."%</td>\n";
@@ -132,7 +132,7 @@
 			$c = ($c) ? 0 : 1;
 		}
 
-		if ($cpu_cores != '') {
+		if (!empty($cpu_cores)) {
 			echo "<tr class='tr_link_void'>\n";
 			echo "<td valign='top' class='".$row_style[$c]." hud_text'>".$text['label-cpu_cores']."</td>\n";
 			echo "<td valign='top' class='".$row_style[$c]." hud_text' style='text-align: right;'>".$cpu_cores."</td>\n";
diff --git a/app/system/resources/dashboard/system_status.php b/app/system/resources/dashboard/system_status.php
index 0760f25719..abe5e483c3 100644
--- a/app/system/resources/dashboard/system_status.php
+++ b/app/system/resources/dashboard/system_status.php
@@ -205,7 +205,7 @@
 			$tmp = event_socket_request($fp, 'api status');
 			$matches = Array();
 			preg_match("/(\d+)\s+session\(s\)\s+\-\speak/", $tmp, $matches);
-			$channels = $matches[1] ? $matches[1] : 0;
+			$channels = !empty($matches[1]) ? $matches[1] : 0;
 			$tr_link = "href='".PROJECT_PATH."/app/calls_active/calls_active.php'";
 			echo "<tr ".$tr_link.">\n";
 			echo "<td valign='top' class='".$row_style[$c]." hud_text'><a ".$tr_link.">".$text['label-channels']."</a></td>\n";