diff --git a/lib/rspec/openapi/schema_merger.rb b/lib/rspec/openapi/schema_merger.rb
index b7b20d27..fa5a729b 100644
--- a/lib/rspec/openapi/schema_merger.rb
+++ b/lib/rspec/openapi/schema_merger.rb
@@ -35,7 +35,7 @@ def merge_schema!(base, spec)
       elsif base[key].is_a?(Array) && value.is_a?(Array)
         # parameters need to be merged as if `name` and `in` were the Hash keys.
         if key == 'parameters'
-          base[key] |= value
+          base[key] = value | base[key]
           base[key].uniq! { |param| param.slice('name', 'in') }
         else
           base[key] = value
diff --git a/spec/rails/doc/openapi.json b/spec/rails/doc/openapi.json
index a9847448..dc1285ea 100644
--- a/spec/rails/doc/openapi.json
+++ b/spec/rails/doc/openapi.json
@@ -106,29 +106,19 @@
         },
         "parameters": [
           {
-            "name": "page",
-            "in": "query",
-            "schema": {
-              "type": "integer"
-            },
-            "example": 1
-          },
-          {
-            "name": "per",
+            "name": "filter[price]",
             "in": "query",
             "schema": {
-              "type": "integer"
-            },
-            "example": 10
-          },
-          {
-            "name": "X-Authorization-Token",
-            "in": "header",
-            "required": true,
-            "schema": {
-              "type": "string"
+              "type": "object",
+              "properties": {
+                "price": {
+                  "type": "string"
+                }
+              }
             },
-            "example": "token"
+            "example": {
+              "price": "0"
+            }
           },
           {
             "name": "filter[name]",
@@ -146,19 +136,29 @@
             }
           },
           {
-            "name": "filter[price]",
+            "name": "page",
             "in": "query",
             "schema": {
-              "type": "object",
-              "properties": {
-                "price": {
-                  "type": "string"
-                }
-              }
+              "type": "integer"
             },
-            "example": {
-              "price": "0"
-            }
+            "example": 1
+          },
+          {
+            "name": "per",
+            "in": "query",
+            "schema": {
+              "type": "integer"
+            },
+            "example": 10
+          },
+          {
+            "name": "X-Authorization-Token",
+            "in": "header",
+            "required": true,
+            "schema": {
+              "type": "string"
+            },
+            "example": "token"
           }
         ]
       },
@@ -268,7 +268,7 @@
             "schema": {
               "type": "integer"
             },
-            "example": 1
+            "example": 2
           }
         ],
         "responses": {
diff --git a/spec/rails/doc/openapi.yaml b/spec/rails/doc/openapi.yaml
index 642fee47..d984f334 100644
--- a/spec/rails/doc/openapi.yaml
+++ b/spec/rails/doc/openapi.yaml
@@ -20,16 +20,15 @@ paths:
       tags:
       - Table
       parameters:
-      - name: page
-        in: query
-        schema:
-          type: integer
-        example: 1
-      - name: per
+      - name: filter[price]
         in: query
         schema:
-          type: integer
-        example: 10
+          type: object
+          properties:
+            price:
+              type: string
+        example:
+          price: '0'
       - name: filter[name]
         in: query
         schema:
@@ -39,15 +38,16 @@ paths:
               type: string
         example:
           name: Example Table
-      - name: filter[price]
+      - name: page
         in: query
         schema:
-          type: object
-          properties:
-            price:
-              type: string
-        example:
-          price: '0'
+          type: integer
+        example: 1
+      - name: per
+        in: query
+        schema:
+          type: integer
+        example: 10
       - name: X-Authorization-Token
         in: header
         required: true
@@ -180,7 +180,7 @@ paths:
         required: true
         schema:
           type: integer
-        example: 1
+        example: 2
       responses:
         '200':
           description: returns a table
diff --git a/spec/rails/doc/smart/expected.yaml b/spec/rails/doc/smart/expected.yaml
index 5b68c1fa..66b6fcfa 100644
--- a/spec/rails/doc/smart/expected.yaml
+++ b/spec/rails/doc/smart/expected.yaml
@@ -24,12 +24,18 @@ paths:
         in: query
         schema:
           type: integer
-        example: 1
+        example: 42
       - name: per
         in: query
         schema:
           type: integer
         example: 10
+      - name: X-Authorization-Token
+        in: header
+        required: true
+        schema:
+          type: string
+        example: token
       - name: filter[name]
         in: query
         schema:
@@ -48,12 +54,6 @@ paths:
               type: string
         example:
           price: '0'
-      - name: X-Authorization-Token
-        in: header
-        required: true
-        schema:
-          type: string
-        example: token
       responses:
         '200':
           description: with flat query parameters
diff --git a/spec/requests/rails_smart_merge_spec.rb b/spec/requests/rails_smart_merge_spec.rb
index 96b8ba28..a59e8562 100644
--- a/spec/requests/rails_smart_merge_spec.rb
+++ b/spec/requests/rails_smart_merge_spec.rb
@@ -27,7 +27,8 @@
   describe '#index' do
     context it 'returns a list of tables' do
       it 'with flat query parameters' do
-        get '/tables', params: { page: '1', per: '10' },
+        # These new params replace them in old spec
+        get '/tables', params: { page: '42', per: '10' },
             headers: { authorization: 'k0kubun', "X-Authorization-Token": 'token' }
         expect(response.status).to eq(200)
       end