diff --git a/utils/build/docker/java/iast-common/src/main/java/com/datadoghq/system_tests/iast/utils/CryptoExamples.java b/utils/build/docker/java/iast-common/src/main/java/com/datadoghq/system_tests/iast/utils/CryptoExamples.java
index 8bc58863347..760b12dec6d 100644
--- a/utils/build/docker/java/iast-common/src/main/java/com/datadoghq/system_tests/iast/utils/CryptoExamples.java
+++ b/utils/build/docker/java/iast-common/src/main/java/com/datadoghq/system_tests/iast/utils/CryptoExamples.java
@@ -73,10 +73,8 @@ public String secureCipher(final String password) {
 
     private static String doCipher(final String password, final String algorithm) {
         try {
-            KeyGenerator keygenerator = KeyGenerator.getInstance(algorithm);
-            SecretKey key = keygenerator.generateKey();
             Cipher cipher = Cipher.getInstance(algorithm);
-            cipher.init(Cipher.ENCRYPT_MODE, key);
+            cipher.init(Cipher.ENCRYPT_MODE, KeyGenerator.getInstance(algorithm).generateKey());
             return new String(cipher.doFinal(password.getBytes()));
         } catch (final Exception e) {
             throw new UndeclaredThrowableException(e);