diff --git a/lib/memory.js b/lib/memory.js
index fa19b0f..8a6bcdd 100644
--- a/lib/memory.js
+++ b/lib/memory.js
@@ -131,7 +131,7 @@ function mem(callback) {
         active: os.totalmem() - os.freemem(),     // temporarily (fallback)
         available: os.freemem(),                  // temporarily (fallback)
         buffers: 0,
-        cache: 0,
+        cached: 0,
         slab: 0,
         buffcache: 0,
 
@@ -158,16 +158,8 @@ function mem(callback) {
             result.slab = result.slab ? result.slab * 1024 : 0;
             result.buffcache = result.buffers + result.cached + result.slab;
 
-            let available = parseInt(util.getValue(lines, 'memavailable'), 10)
-            result.available = available ? available * 1024 : result.buffers + result.cache + result.free + result.slab
-            // result.available = result.available ? result.available * 1024 : os.freemem();
-
-            // result.active = result.total - result.free - result.buffcache;
-
-            // result.active = parseInt(util.getValue(lines, 'active'), 10);
-            // result.active = result.active ? result.active * 1024 : 0;
-            // result.buffcache = result.total - result.free - result.active;
-
+            let available = parseInt(util.getValue(lines, 'memavailable'), 10);
+            result.available = available ? available * 1024 : result.free + result.buffcache;
             result.active = result.total - result.available;
 
             result.swaptotal = parseInt(util.getValue(lines, 'swaptotal'), 10);