diff --git a/src/main/java/com/nutomic/syncthingandroid/syncthing/PostTask.java b/src/main/java/com/nutomic/syncthingandroid/syncthing/PostTask.java
index ea3aef65..2bc44e88 100644
--- a/src/main/java/com/nutomic/syncthingandroid/syncthing/PostTask.java
+++ b/src/main/java/com/nutomic/syncthingandroid/syncthing/PostTask.java
@@ -28,7 +28,7 @@ public class PostTask extends AsyncTask<String, Void, Void> {
 	 * params[0] Syncthing hostname
 	 * params[1] URI to call
 	 * params[2] Syncthing API key
-	 * params[3] The request content
+	 * params[3] The request content (optional)
 	 */
 	@Override
 	protected Void doInBackground(String... params) {
@@ -39,7 +39,9 @@ public class PostTask extends AsyncTask<String, Void, Void> {
 		post.addHeader(new BasicHeader("X-API-Key", params[2]));
 
 		try {
-			post.setEntity(new StringEntity(params[3]));
+			if (params.length > 2) {
+				post.setEntity(new StringEntity(params[3]));
+			}
 			httpclient.execute(post);
 		}
 		catch (IOException e) {
diff --git a/src/main/java/com/nutomic/syncthingandroid/syncthing/RestApi.java b/src/main/java/com/nutomic/syncthingandroid/syncthing/RestApi.java
index d635ecd5..cef2b4e2 100644
--- a/src/main/java/com/nutomic/syncthingandroid/syncthing/RestApi.java
+++ b/src/main/java/com/nutomic/syncthingandroid/syncthing/RestApi.java
@@ -157,7 +157,7 @@ public class RestApi implements SyncthingService.OnWebGuiAvailableListener {
 	 * Restarts the syncthing binary.
 	 */
 	public void restart() {
-		new PostTask().execute(mUrl, PostTask.URI_RESTART, "");
+		new PostTask().execute(mUrl, PostTask.URI_RESTART);
 	}
 
 	/**