diff --git a/src/main/java/com/aparapi/natives/NativeLoader.java b/src/main/java/com/aparapi/natives/NativeLoader.java
index 132a9b636ec21b6692f97607cc60b150a20b579f..c47627b5ec4efe811ce755acfd3639389172091a 100644
--- a/src/main/java/com/aparapi/natives/NativeLoader.java
+++ b/src/main/java/com/aparapi/natives/NativeLoader.java
@@ -42,19 +42,19 @@ public class NativeLoader {
     }
 
     private static boolean isWindows() {
-        return (OS.indexOf("win") >= 0);
+        return OS.contains("win");
     }
 
     private static boolean isMac() {
-        return (OS.indexOf("mac") >= 0);
+        return OS.contains("mac");
     }
 
     private static boolean isUnix() {
-        return (OS.indexOf("nix") >= 0 || OS.indexOf("nux") >= 0 || OS.indexOf("aix") > 0 );
+        return (OS.contains("nix") || OS.contains("nux") || OS.contains("aix"));
     }
 
     private static boolean isSolaris() {
-        return (OS.indexOf("sunos") >= 0);
+        return OS.contains("sunos");
     }
 
     private static boolean is64Bit() {