diff --git a/rust/config/mainnet3_config.json b/rust/config/mainnet3_config.json
index f7683cd30c..3755388f01 100644
--- a/rust/config/mainnet3_config.json
+++ b/rust/config/mainnet3_config.json
@@ -482,7 +482,7 @@
       ],
       "grpcUrls": [
         {
-          "http": "https://grpc-kralum.neutron-1.neutron.org:80"
+          "http": "http://grpc-kralum.neutron-1.neutron.org:80"
         }
       ],
       "canonicalAsset": "untrn",
diff --git a/rust/hyperlane-base/src/settings/parser/mod.rs b/rust/hyperlane-base/src/settings/parser/mod.rs
index 81e0692800..a13a710dd2 100644
--- a/rust/hyperlane-base/src/settings/parser/mod.rs
+++ b/rust/hyperlane-base/src/settings/parser/mod.rs
@@ -422,7 +422,7 @@ fn parse_custom_urls(
         .end()
         .map(|urls| {
             urls.split(',')
-                .filter_map(|url| url.parse().take_err(err, || &chain.cwp + "customGrpcUrls"))
+                .filter_map(|url| url.parse().take_err(err, || &chain.cwp + key))
                 .collect_vec()
         })
 }
@@ -440,12 +440,12 @@ fn parse_base_and_override_urls(
 
     if combined.is_empty() {
         err.push(
-            &chain.cwp + "rpc_urls",
-            eyre!("Missing base rpc definitions for chain"),
+            &chain.cwp + base_key,
+            eyre!("Missing base {} definitions for chain", base_key),
         );
         err.push(
             &chain.cwp + "custom_rpc_urls",
-            eyre!("Also missing rpc overrides for chain"),
+            eyre!("Also missing {} overrides for chain", base_key),
         );
     }
     combined