diff --git a/src/com/esotericsoftware/reflectasm/AccessClassLoader.java b/src/com/esotericsoftware/reflectasm/AccessClassLoader.java
index 8b0e0fc..9a5d62f 100644
--- a/src/com/esotericsoftware/reflectasm/AccessClassLoader.java
+++ b/src/com/esotericsoftware/reflectasm/AccessClassLoader.java
@@ -1,4 +1,3 @@
-
 package com.esotericsoftware.reflectasm;
 
 import java.lang.reflect.Method;
@@ -49,7 +48,7 @@ class AccessClassLoader extends ClassLoader {
 			// Attempt to load the access class in the same loader, which makes protected and default access members accessible.
 			Method method = ClassLoader.class.getDeclaredMethod("defineClass", new Class[] {String.class, byte[].class, int.class,
 				int.class, ProtectionDomain.class});
-			method.setAccessible(true);
+			if (!method.isAccessible()) method.setAccessible(true);
 			return (Class)method.invoke(getParent(), new Object[] {name, bytes, Integer.valueOf(0), Integer.valueOf(bytes.length),
 				getClass().getProtectionDomain()});
 		} catch (Exception ignored) {