1 files changed, 1 insertions, 1 deletions
diff --git a/smcc/src/test/java/at/gv/egiz/smcc/card/CreateSignature.java b/smcc/src/test/java/at/gv/egiz/smcc/card/CreateSignature.java
index 09833fd3..5acc7e10 100644
--- a/smcc/src/test/java/at/gv/egiz/smcc/card/CreateSignature.java
+++ b/smcc/src/test/java/at/gv/egiz/smcc/card/CreateSignature.java
@@ -63,7 +63,7 @@ public class CreateSignature {
     byte[] signature = createSignature(signatureCard, KeyboxName.SECURE_SIGNATURE_KEYPAIR, data);
     Formatter printf = new Formatter(System.out); 
     printf.format("Signature: %1$x", new BigInteger(signature));
-
+    printf.close();
   }
 
   public static byte[] createSignature(SignatureCard signatureCard, KeyboxName keyboxName, InputStream data) throws SignatureCardException, InterruptedException, IOException {