diff --git a/src/de/mas/wiiu/jnus/implementations/wud/reader/WUDDiscReaderCompressed.java b/src/de/mas/wiiu/jnus/implementations/wud/reader/WUDDiscReaderCompressed.java
index d8e56eb..d25bc2b 100644
--- a/src/de/mas/wiiu/jnus/implementations/wud/reader/WUDDiscReaderCompressed.java
+++ b/src/de/mas/wiiu/jnus/implementations/wud/reader/WUDDiscReaderCompressed.java
@@ -70,6 +70,7 @@ public class WUDDiscReaderCompressed extends WUDDiscReader {
 
                 input.seek(offset2);
                 int read = input.read(buffer);
+
                 if (read < 0) return;
                 try {
                     out.write(Arrays.copyOfRange(buffer, 0, bytesToRead));
@@ -86,5 +87,8 @@ public class WUDDiscReaderCompressed extends WUDDiscReader {
             }
             input.close();
         }
+        synchronized (out) {
+            out.close();
+        }
     }
 }