diff --git a/end-to-end-tests/src/helpers/ctx.rs b/end-to-end-tests/src/helpers/ctx.rs
index f192bf46454..2f3244d60ad 100644
--- a/end-to-end-tests/src/helpers/ctx.rs
+++ b/end-to-end-tests/src/helpers/ctx.rs
@@ -198,7 +198,7 @@ impl ClientParams {
             "https" => "443",
             _ => unreachable!(),
         };
-        Ok(format!("{}:{}:{}", self.nexus_dns_name, port, address))
+        Ok(format!("{}:{}:{}", self.nexus_dns_name, port, address.ip()))
     }
 
     pub fn reqwest_builder(&self) -> reqwest::ClientBuilder {