diff --git a/datasafe-encryption/datasafe-encryption-impl/src/test/java/de/adorsys/datasafe/encrypiton/impl/keystore/KeyStoreServiceTest.java b/datasafe-encryption/datasafe-encryption-impl/src/test/java/de/adorsys/datasafe/encrypiton/impl/keystore/KeyStoreServiceTest.java
index a28e8f1ce..bf8f4f800 100644
--- a/datasafe-encryption/datasafe-encryption-impl/src/test/java/de/adorsys/datasafe/encrypiton/impl/keystore/KeyStoreServiceTest.java
+++ b/datasafe-encryption/datasafe-encryption-impl/src/test/java/de/adorsys/datasafe/encrypiton/impl/keystore/KeyStoreServiceTest.java
@@ -26,6 +26,7 @@
 import javax.crypto.SecretKey;
 import java.security.KeyStore;
 import java.security.PrivateKey;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;