diff --git a/CryptoAnalysis/src/main/java/crypto/analysis/ClassPathHandler.java b/CryptoAnalysis/src/main/java/crypto/analysis/ClassPathHandler.java
index d2f3f811e..25b46f90f 100644
--- a/CryptoAnalysis/src/main/java/crypto/analysis/ClassPathHandler.java
+++ b/CryptoAnalysis/src/main/java/crypto/analysis/ClassPathHandler.java
@@ -44,7 +44,7 @@ public static void initialize(String additionalClassPath) {
                         .toList();
 
         classLoader =
-                new URLClassLoader(urls.toArray(new URL[0]), ClassLoader.getSystemClassLoader());
+                new URLClassLoader(urls.toArray(new URL[0]), ClassLoader.getPlatformClassLoader());
     }
 
     public static URLClassLoader getClassLoader() {