diff --git a/src/createPrefetch.mts b/src/createPrefetch.mts
index 70729ee..d098289 100644
--- a/src/createPrefetch.mts
+++ b/src/createPrefetch.mts
@@ -8,6 +8,7 @@ import {
 import type { MethodDescription } from "./common.mjs";
 import {
   createQueryKeyFromMethod,
+  getQueryKeyFnName,
   getRequestParamFromMethod,
   hookNameFromMethod,
 } from "./createUseQuery.mjs";
@@ -66,27 +67,26 @@ function createPrefetchHook({
                 ts.factory.createObjectLiteralExpression([
                   ts.factory.createPropertyAssignment(
                     ts.factory.createIdentifier("queryKey"),
-                    ts.factory.createArrayLiteralExpression(
-                      [
-                        BuildCommonTypeName(queryKey),
-                        method.getParameters().length
-                          ? ts.factory.createArrayLiteralExpression([
-                              ts.factory.createObjectLiteralExpression(
-                                method
-                                  .getParameters()
-                                  .flatMap((param) =>
-                                    extractPropertiesFromObjectParam(param).map(
-                                      (p) =>
-                                        ts.factory.createShorthandPropertyAssignment(
-                                          ts.factory.createIdentifier(p.name),
-                                        ),
-                                    ),
+                    ts.factory.createCallExpression(
+                      BuildCommonTypeName(getQueryKeyFnName(queryKey)),
+                      undefined,
+
+                      method.getParameters().length
+                        ? [
+                            ts.factory.createObjectLiteralExpression(
+                              method
+                                .getParameters()
+                                .flatMap((param) =>
+                                  extractPropertiesFromObjectParam(param).map(
+                                    (p) =>
+                                      ts.factory.createShorthandPropertyAssignment(
+                                        ts.factory.createIdentifier(p.name),
+                                      ),
                                   ),
-                              ),
-                            ])
-                          : ts.factory.createArrayLiteralExpression([]),
-                      ],
-                      false,
+                                ),
+                            ),
+                          ]
+                        : [],
                     ),
                   ),
                   ts.factory.createPropertyAssignment(
diff --git a/src/createUseQuery.mts b/src/createUseQuery.mts
index 8eb919e..5378004 100644
--- a/src/createUseQuery.mts
+++ b/src/createUseQuery.mts
@@ -463,7 +463,7 @@ export const createUseQuery = ({
   };
 };
 
-function getQueryKeyFnName(queryKey: string) {
+export function getQueryKeyFnName(queryKey: string) {
   return `${capitalizeFirstLetter(queryKey)}Fn`;
 }
 
diff --git a/tests/__snapshots__/createSource.test.ts.snap b/tests/__snapshots__/createSource.test.ts.snap
index dd528b0..165b3b4 100644
--- a/tests/__snapshots__/createSource.test.ts.snap
+++ b/tests/__snapshots__/createSource.test.ts.snap
@@ -183,14 +183,14 @@ import { Pet, NewPet, Error, FindPetsData, FindPetsResponse, AddPetData, AddPetR
 export const prefetchUseDefaultServiceFindPets = (queryClient: QueryClient, { limit, tags }: {
     limit?: number;
     tags?: string[];
-} = {}) => queryClient.prefetchQuery({ queryKey: [Common.useDefaultServiceFindPetsKey, [{ limit, tags }]], queryFn: () => DefaultService.findPets({ limit, tags }) });
+} = {}) => queryClient.prefetchQuery({ queryKey: Common.UseDefaultServiceFindPetsKeyFn({ limit, tags }), queryFn: () => DefaultService.findPets({ limit, tags }) });
 /**
 * @deprecated
 * This path is not fully defined.
 * @returns unknown unexpected error
 * @throws ApiError
 */
-export const prefetchUseDefaultServiceGetNotDefined = (queryClient: QueryClient) => queryClient.prefetchQuery({ queryKey: [Common.useDefaultServiceGetNotDefinedKey, []], queryFn: () => DefaultService.getNotDefined() });
+export const prefetchUseDefaultServiceGetNotDefined = (queryClient: QueryClient) => queryClient.prefetchQuery({ queryKey: Common.UseDefaultServiceGetNotDefinedKeyFn(), queryFn: () => DefaultService.getNotDefined() });
 /**
 * Returns a user based on a single ID, if the user does not have access to the pet
 * @param data The data for the request.
@@ -201,6 +201,6 @@ export const prefetchUseDefaultServiceGetNotDefined = (queryClient: QueryClient)
 */
 export const prefetchUseDefaultServiceFindPetById = (queryClient: QueryClient, { id }: {
     id: number;
-}) => queryClient.prefetchQuery({ queryKey: [Common.useDefaultServiceFindPetByIdKey, [{ id }]], queryFn: () => DefaultService.findPetById({ id }) });
+}) => queryClient.prefetchQuery({ queryKey: Common.UseDefaultServiceFindPetByIdKeyFn({ id }), queryFn: () => DefaultService.findPetById({ id }) });
 "
 `;
diff --git a/tests/__snapshots__/generate.test.ts.snap b/tests/__snapshots__/generate.test.ts.snap
index 4aed6c0..53ace37 100644
--- a/tests/__snapshots__/generate.test.ts.snap
+++ b/tests/__snapshots__/generate.test.ts.snap
@@ -58,14 +58,14 @@ import * as Common from "./common";
 export const prefetchUseDefaultServiceFindPets = (queryClient: QueryClient, { limit, tags }: {
   limit?: number;
   tags?: string[];
-} = {}) => queryClient.prefetchQuery({ queryKey: [Common.useDefaultServiceFindPetsKey, [{ limit, tags }]], queryFn: () => DefaultService.findPets({ limit, tags }) });
+} = {}) => queryClient.prefetchQuery({ queryKey: Common.UseDefaultServiceFindPetsKeyFn({ limit, tags }), queryFn: () => DefaultService.findPets({ limit, tags }) });
 /**
 * @deprecated
 * This path is not fully defined.
 * @returns unknown unexpected error
 * @throws ApiError
 */
-export const prefetchUseDefaultServiceGetNotDefined = (queryClient: QueryClient) => queryClient.prefetchQuery({ queryKey: [Common.useDefaultServiceGetNotDefinedKey, []], queryFn: () => DefaultService.getNotDefined() });
+export const prefetchUseDefaultServiceGetNotDefined = (queryClient: QueryClient) => queryClient.prefetchQuery({ queryKey: Common.UseDefaultServiceGetNotDefinedKeyFn(), queryFn: () => DefaultService.getNotDefined() });
 /**
 * Returns a user based on a single ID, if the user does not have access to the pet
 * @param data The data for the request.
@@ -76,7 +76,7 @@ export const prefetchUseDefaultServiceGetNotDefined = (queryClient: QueryClient)
 */
 export const prefetchUseDefaultServiceFindPetById = (queryClient: QueryClient, { id }: {
   id: number;
-}) => queryClient.prefetchQuery({ queryKey: [Common.useDefaultServiceFindPetByIdKey, [{ id }]], queryFn: () => DefaultService.findPetById({ id }) });
+}) => queryClient.prefetchQuery({ queryKey: Common.UseDefaultServiceFindPetByIdKeyFn({ id }), queryFn: () => DefaultService.findPetById({ id }) });
 "
 `;