diff --git a/src/clientP2P/ClientDownloadTCP.java b/src/clientP2P/ClientDownloadTCP.java
index 777f974..442d105 100644
--- a/src/clientP2P/ClientDownloadTCP.java
+++ b/src/clientP2P/ClientDownloadTCP.java
@@ -219,6 +219,7 @@ public class ClientDownloadTCP implements Runnable {
 			throw new InternalError();
 		} catch (SocketClosed e){
 			System.err.println("getHashSum512 : SocketClosed");
+			throw new InternalError();
 		}
 	}