diff --git a/src/cargo/util_schemas/core/package_id_spec.rs b/src/cargo/util_schemas/core/package_id_spec.rs
index 4e6d9e59475..60f0a671c43 100644
--- a/src/cargo/util_schemas/core/package_id_spec.rs
+++ b/src/cargo/util_schemas/core/package_id_spec.rs
@@ -602,5 +602,6 @@ mod tests {
         .is_err());
         assert!(PackageIdSpec::parse("@1.2.3").is_err());
         assert!(PackageIdSpec::parse("registry+https://github.com").is_ok());
+        assert!(PackageIdSpec::parse("https://crates.io/1foo#1.2.3").is_ok())
     }
 }