diff --git a/yearclass/src/main/java/com/facebook/device/yearclass/DeviceInfo.java b/yearclass/src/main/java/com/facebook/device/yearclass/DeviceInfo.java
index 1c04c9c..20ef0d2 100644
--- a/yearclass/src/main/java/com/facebook/device/yearclass/DeviceInfo.java
+++ b/yearclass/src/main/java/com/facebook/device/yearclass/DeviceInfo.java
@@ -182,7 +182,7 @@ public static long getTotalMemory(Context c) {
       ActivityManager.MemoryInfo memInfo = new ActivityManager.MemoryInfo();
       ActivityManager am = (ActivityManager) c.getSystemService(Context.ACTIVITY_SERVICE);
       am.getMemoryInfo(memInfo);
-      if (memInfo != null) {
+      if (memInfo.totalMem != 0L) {
         return memInfo.totalMem;
       } else {
         return DEVICEINFO_UNKNOWN;