diff --git a/indra/newview/viewer_manifest.py b/indra/newview/viewer_manifest.py
index 58bdf1816f9d66bfbbca391ce7697dec80a566b1..97ed24bad70742327bc6cc43782515dee8ebed7c 100755
--- a/indra/newview/viewer_manifest.py
+++ b/indra/newview/viewer_manifest.py
@@ -207,7 +207,7 @@ def construct(self):
                             "Channel Base": CHANNEL_VENDOR_BASE,
                             "Channel":self.channel_with_pkg_suffix(),
                             "Platform":build_data_json_platform,
-                            "Update Service":"https://update.secondlife.com/update/",
+                            "Update Service":"https://update.secondlife.com/update",
                             }
             #MAINT-7294: Windows exe names depend on channel name, so write that in also
             if build_data_json_platform.startswith('win'):