diff --git a/src/java/net/jpountz/util/Native.java b/src/java/net/jpountz/util/Native.java
index e25708ee..392c31a9 100644
--- a/src/java/net/jpountz/util/Native.java
+++ b/src/java/net/jpountz/util/Native.java
@@ -61,9 +61,9 @@ private static String resourceName() {
     return "/" + packagePrefix + "/" + os.name + "/" + arch() + "/liblz4-java." + os.libExtension;
   }
 
-  private static boolean loaded = false;
+  private static volatile boolean loaded = false;
 
-  public static synchronized boolean isLoaded() {
+  public static boolean isLoaded() {
     return loaded;
   }