diff --git a/src/com/massivecraft/mcore5/util/DiscUtil.java b/src/com/massivecraft/mcore5/util/DiscUtil.java
index 6798ccc2..887ee5c5 100644
--- a/src/com/massivecraft/mcore5/util/DiscUtil.java
+++ b/src/com/massivecraft/mcore5/util/DiscUtil.java
@@ -96,6 +96,7 @@ public class DiscUtil
 			ReadableByteChannel rbc = Channels.newChannel(url.openStream());
 			FileOutputStream fos = new FileOutputStream(file);
 			fos.getChannel().transferFrom(rbc, 0, 1 << 24);
+			fos.close();
 			return true;
 		}
 		catch (Exception e)