diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportGitSsh.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportGitSsh.java
index 8132ac3c3..bb791ed43 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportGitSsh.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportGitSsh.java
@@ -309,7 +309,7 @@ void exec(String commandName) throws TransportException {
 			List<String> args = new ArrayList<String>();
 			args.add(ssh);
 			if (putty)
-				args.add("--batch");
+				args.add("-batch");
 			if (0 < getURI().getPort()) {
 				args.add(putty ? "-P" : "-p");
 				args.add(String.valueOf(getURI().getPort()));