diff --git a/includes/system.php b/includes/system.php
index 213e87a8..8f8c29e3 100755
--- a/includes/system.php
+++ b/includes/system.php
@@ -66,7 +66,7 @@ function DisplaySystem(){
 
   // mem used
   $memused_status = "primary";
-  exec("free -m | awk '/Mem:/ { total=$2 } /buffers\/cache/ { used=$3 } END { print used/total*100}'", $memarray);
+  exec("free -m | awk '/Mem:/ { total=$2 ; used=$3 } END { print used/total*100}'", $memarray);
   $memused = floor($memarray[0]);
   if     ($memused > 90) { $memused_status = "danger";  }
   elseif ($memused > 75) { $memused_status = "warning"; }