diff --git a/jvm/src/test/scala/fluence/crypto/AesSpec.scala b/jvm/src/test/scala/fluence/crypto/AesSpec.scala
index e824075..052a154 100644
--- a/jvm/src/test/scala/fluence/crypto/AesSpec.scala
+++ b/jvm/src/test/scala/fluence/crypto/AesSpec.scala
@@ -1,13 +1,14 @@
 package fluence.crypto
 
-import fluence.crypto.algorithm.{ AesConfig, AesCrypt, CryptoErr }
+import fluence.crypto.algorithm.{AesConfig, AesCrypt, CryptoErr}
 import cats.instances.try_._
-import org.scalatest.{ Matchers, WordSpec }
+import org.scalactic.source.Position
+import org.scalatest.{Assertion, Matchers, WordSpec}
 import scodec.bits.ByteVector
 
-import scala.util.{ Random, Try }
+import scala.util.{Random, Try}
 
-class AesSpec extends WordSpec with Matchers {
+class AesSpec extends WordSpec with Matchers with slogging.LazyLogging {
 
   def rndString(size: Int): String = Random.nextString(10)
   val conf = AesConfig()
@@ -23,20 +24,14 @@ class AesSpec extends WordSpec with Matchers {
       crypt.decrypt(crypted).get shouldBe str
 
       val fakeAes = AesCrypt.forString[Try](ByteVector("wrong".getBytes()), withIV = true, config = conf)
-      fakeAes.decrypt(crypted).map(_ ⇒ false).recover {
-        case e: CryptoErr ⇒ true
-        case _            ⇒ false
-      }.get shouldBe true
+      checkCryptoError(fakeAes.decrypt(crypted))
 
       //we cannot check if first bytes is iv or already data, but encryption goes wrong
       val aesWithoutIV = AesCrypt.forString[Try](pass, withIV = false, config = conf)
       aesWithoutIV.decrypt(crypted).get shouldNot be (str)
 
       val aesWrongSalt = AesCrypt.forString[Try](pass, withIV = true, config = conf.copy(salt = rndString(10)))
-      aesWrongSalt.decrypt(crypted).map(_ ⇒ false).recover {
-        case e: CryptoErr ⇒ true
-        case _            ⇒ false
-      }.get shouldBe true
+      checkCryptoError(aesWrongSalt.decrypt(crypted))
     }
 
     "work without IV" in {
@@ -48,21 +43,24 @@ class AesSpec extends WordSpec with Matchers {
       crypt.decrypt(crypted).get shouldBe str
 
       val fakeAes = AesCrypt.forString[Try](ByteVector("wrong".getBytes()), withIV = false, config = conf)
-      fakeAes.decrypt(crypted).map(_ ⇒ false).recover {
-        case e: CryptoErr ⇒ true
-        case _            ⇒ false
-      }.get shouldBe true
+      checkCryptoError(fakeAes.decrypt(crypted))
 
       //we cannot check if first bytes is iv or already data, but encryption goes wrong
       val aesWithIV = AesCrypt.forString[Try](pass, withIV = true, config = conf)
       aesWithIV.decrypt(crypted).get shouldNot be (str)
 
       val aesWrongSalt = AesCrypt.forString[Try](pass, withIV = true, config = conf.copy(salt = rndString(10)))
-      aesWrongSalt.decrypt(crypted).map(_ ⇒ false).recover {
-        case e: CryptoErr ⇒ true
-        case _            ⇒ false
-      }.get shouldBe true
+      checkCryptoError(aesWrongSalt.decrypt(crypted))
     }
   }
 
+  def checkCryptoError(tr: Try[String])(implicit pos: Position): Assertion = {
+    tr.map(_ ⇒ false).recover {
+      case e: CryptoErr ⇒ true
+      case e            ⇒
+        logger.error("Unexpected error", e)
+        false
+    }.get shouldBe true
+  }
+
 }