diff --git a/bin/configs/rust-reqwest-trait-petstore.yaml b/bin/configs/rust-reqwest-trait-petstore.yaml
index 30190bf0c46e..cf50d56d9eca 100644
--- a/bin/configs/rust-reqwest-trait-petstore.yaml
+++ b/bin/configs/rust-reqwest-trait-petstore.yaml
@@ -5,7 +5,7 @@ inputSpec: modules/openapi-generator/src/test/resources/3_0/rust/petstore.yaml
 templateDir: modules/openapi-generator/src/main/resources/rust
 additionalProperties:
   topLevelApiClient: true
-  packageName: petstore-reqwest
+  packageName: petstore-reqwest-trait
   mockall: true
 enumNameMappings:
   delivered: shipped
diff --git a/modules/openapi-generator/src/main/resources/rust/reqwest-trait/api.mustache b/modules/openapi-generator/src/main/resources/rust/reqwest-trait/api.mustache
index dc0ba75f17cd..113cb70dbb55 100644
--- a/modules/openapi-generator/src/main/resources/rust/reqwest-trait/api.mustache
+++ b/modules/openapi-generator/src/main/resources/rust/reqwest-trait/api.mustache
@@ -245,6 +245,7 @@ impl {{classname}} for {{classname}}Client {
                 _ => local_var_req_builder.query(&[("{{{baseName}}}", &param_value.into_iter().map(|p| p.to_string()).collect::<Vec<String>>().join(",").to_string())]),
             };
             {{/isArray}}
+            {{^isArray}}
             {{#isDeepObject}}
             {{^isExplode}}
             let params = crate::apis::parse_deep_object("{{{baseName}}}", &serde_json::to_value(param_value)?);
@@ -276,6 +277,7 @@ impl {{classname}} for {{classname}}Client {
             {{/isModel}}
             {{/isObject}}
             {{/isDeepObject}}
+            {{/isArray}}
         }
         {{/required}}
         {{/queryParams}}
diff --git a/samples/client/petstore/rust/Cargo.toml b/samples/client/petstore/rust/Cargo.toml
index 90aec2be42a2..6e321f4f13a2 100644
--- a/samples/client/petstore/rust/Cargo.toml
+++ b/samples/client/petstore/rust/Cargo.toml
@@ -1,3 +1,3 @@
 [workspace]
-members = ["hyper/*", "reqwest/*"]
+members = ["hyper/*", "reqwest/*", "reqwest-trait/*"]
 resolver = "2"
diff --git a/samples/client/petstore/rust/reqwest-trait/petstore/Cargo.toml b/samples/client/petstore/rust/reqwest-trait/petstore/Cargo.toml
index dc371c0e02f0..559e3612bfa4 100644
--- a/samples/client/petstore/rust/reqwest-trait/petstore/Cargo.toml
+++ b/samples/client/petstore/rust/reqwest-trait/petstore/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "petstore-reqwest"
+name = "petstore-reqwest-trait"
 version = "1.0.0"
 authors = ["OpenAPI Generator team and contributors"]
 description = "This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters."
diff --git a/samples/client/petstore/rust/reqwest-trait/petstore/README.md b/samples/client/petstore/rust/reqwest-trait/petstore/README.md
index 7f635bec6768..bc91b201c877 100644
--- a/samples/client/petstore/rust/reqwest-trait/petstore/README.md
+++ b/samples/client/petstore/rust/reqwest-trait/petstore/README.md
@@ -1,4 +1,4 @@
-# Rust API client for petstore-reqwest
+# Rust API client for petstore-reqwest-trait
 
 This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
 
@@ -14,10 +14,10 @@ This API client was generated by the [OpenAPI Generator](https://openapi-generat
 
 ## Installation
 
-Put the package under your project folder in a directory named `petstore-reqwest` and add the following to `Cargo.toml` under `[dependencies]`:
+Put the package under your project folder in a directory named `petstore-reqwest-trait` and add the following to `Cargo.toml` under `[dependencies]`:
 
 ```
-petstore-reqwest = { path = "./petstore-reqwest" }
+petstore-reqwest-trait = { path = "./petstore-reqwest-trait" }
 ```
 
 ## Documentation for API Endpoints
diff --git a/samples/client/petstore/rust/reqwest-trait/petstore/src/apis/pet_api.rs b/samples/client/petstore/rust/reqwest-trait/petstore/src/apis/pet_api.rs
index 67a10a2ba86f..01ca14659339 100644
--- a/samples/client/petstore/rust/reqwest-trait/petstore/src/apis/pet_api.rs
+++ b/samples/client/petstore/rust/reqwest-trait/petstore/src/apis/pet_api.rs
@@ -174,7 +174,6 @@ impl PetApi for PetApiClient {
                 "multi" => local_var_req_builder.query(&param_value.into_iter().map(|p| ("type".to_owned(), p.to_string())).collect::<Vec<(std::string::String, std::string::String)>>()),
                 _ => local_var_req_builder.query(&[("type", &param_value.into_iter().map(|p| p.to_string()).collect::<Vec<String>>().join(",").to_string())]),
             };
-            local_var_req_builder = local_var_req_builder.query(&[("type", &param_value.to_string())]);
         }
         if let Some(ref local_var_user_agent) = local_var_configuration.user_agent {
             local_var_req_builder = local_var_req_builder.header(reqwest::header::USER_AGENT, local_var_user_agent.clone());