diff --git a/source/net/sourceforge/filebot/Main.java b/source/net/sourceforge/filebot/Main.java
index 8dc20107..d5522332 100644
--- a/source/net/sourceforge/filebot/Main.java
+++ b/source/net/sourceforge/filebot/Main.java
@@ -111,7 +111,10 @@ public class Main {
 				CacheManager.getInstance().clearAll();
 			}
 			
-			// set unixfs system property
+			// update system properties
+			if (System.getProperty("http.agent") == null) {
+				System.setProperty("http.agent", String.format("%s %s", getApplicationName(), getApplicationVersion()));
+			}
 			if (args.unixfs) {
 				System.setProperty("unixfs", "true");
 			}