diff --git a/packages/codemode/src/openapi/spec.ts b/packages/codemode/src/openapi/spec.ts
index c2443d03236..750b0f31aa9 100644
--- a/packages/codemode/src/openapi/spec.ts
+++ b/packages/codemode/src/openapi/spec.ts
@@ -461,9 +461,7 @@ export const operationInput = (
   const fields = [...parameters.value, ...requestBody.value.fields]
 
   const conflicts = new Set(
-    [...Map.groupBy(fields, (field) => field.name)]
-      .filter(([, matches]) => new Set(matches.map((field) => field.location)).size > 1)
-      .map(([name]) => name),
+    [...Map.groupBy(fields, (field) => field.name)].filter(([, matches]) => matches.length > 1).map(([name]) => name),
   )
   const used = new Set<string>()
   return {
diff --git a/packages/codemode/test/openapi.test.ts b/packages/codemode/test/openapi.test.ts
index 93888f670a9..ebba09f8521 100644
--- a/packages/codemode/test/openapi.test.ts
+++ b/packages/codemode/test/openapi.test.ts
@@ -319,7 +319,10 @@ describe("OpenAPI.fromSpec", () => {
               parameters: [{ name: "limit", in: "query", schema: { type: "string" } }],
               get: {
                 operationId: "test",
-                parameters: [{ name: "limit", in: "query", required: true, schema: { type: "number" } }],
+                parameters: [
+                  { name: "limit", in: "query", schema: { type: "boolean" } },
+                  { name: "limit", in: "query", required: true, schema: { type: "number" } },
+                ],
                 responses: { 200: { description: "Success" } },
               },
             },