diff --git a/smartsim/_core/_install/builder.py b/smartsim/_core/_install/builder.py
index 1c74251c6..761a4a345 100644
--- a/smartsim/_core/_install/builder.py
+++ b/smartsim/_core/_install/builder.py
@@ -273,6 +273,10 @@ def supported_platforms() -> t.Sequence[t.Tuple[OperatingSystem, Architecture]]:
             (OperatingSystem.DARWIN, Architecture.ARM64),
         )
 
+    @property
+    def url(self) -> str:
+        return ""
+
 class _WebArchive(_WebLocation):
     @property
     def name(self) -> str: