diff --git a/src/dorkbox/util/OS.java b/src/dorkbox/util/OS.java
index 29a1b8f..8f6398f 100644
--- a/src/dorkbox/util/OS.java
+++ b/src/dorkbox/util/OS.java
@@ -19,11 +19,11 @@ import java.io.File;
 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
 import java.nio.charset.Charset;
-import java.security.AccessController;
-import java.security.PrivilegedAction;
 import java.util.Locale;
 import java.util.TimeZone;
 
+import io.netty.util.internal.SystemPropertyUtil;
+
 
 public
 class OS {
@@ -77,27 +77,11 @@ class OS {
             osArch = osArch.toLowerCase(Locale.US);
 
             if (osName.startsWith("linux")) {
-                // best way to determine if it's android or not
-                boolean isAndroid;
-                try {
-                    ClassLoader systemClassLoader;
-                    if (System.getSecurityManager() == null) {
-                        systemClassLoader = ClassLoader.getSystemClassLoader();
-                    }
-                    else {
-                        systemClassLoader = AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() {
-                            @Override
-                            public
-                            ClassLoader run() {
-                                return ClassLoader.getSystemClassLoader();
-                            }
-                        });
-                    }
-
-                    Class.forName("android.app.Application", false, systemClassLoader);
-                    isAndroid = true;
-                } catch (ClassNotFoundException e) { isAndroid = false; }
+                // best way to determine if it's android.
+                // Sometimes java binaries include Android classes on the classpath, even if it isn't actually Android, so we check the VM
 
+                String vmName = SystemPropertyUtil.get("java.vm.name");
+                boolean isAndroid = "Dalvik".equals(vmName);
 
                 if (isAndroid) {
                     // android check from https://stackoverflow.com/questions/14859954/android-os-arch-output-for-arm-mips-x86