diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/GitSmartHttpTools.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/GitSmartHttpTools.java
index 8961d1b2c..5e09d012d 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/GitSmartHttpTools.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/GitSmartHttpTools.java
@@ -299,10 +299,11 @@ private static boolean isReceivePackSideBand(HttpServletRequest req) {
 
 	private static void writeSideBand(OutputStream out, String textForGit)
 			throws IOException {
-		@SuppressWarnings("resource" /* java 7 */)
-		OutputStream msg = new SideBandOutputStream(CH_ERROR, SMALL_BUF, out);
-		msg.write(Constants.encode("error: " + textForGit));
-		msg.flush();
+		try (OutputStream msg = new SideBandOutputStream(CH_ERROR, SMALL_BUF,
+				out)) {
+			msg.write(Constants.encode("error: " + textForGit));
+			msg.flush();
+		}
 	}
 
 	private static void writePacket(PacketLineOut pckOut, String textForGit)