diff --git a/src/rest.ts b/src/rest.ts
index 1b650f8e7..47cc23076 100644
--- a/src/rest.ts
+++ b/src/rest.ts
@@ -12,7 +12,7 @@ function createRestHandler<Method extends RESTMethods | RegExp>(
 ) {
   return <
     RequestBodyType extends DefaultBodyType = DefaultBodyType,
-    Params extends PathParams<Params> = PathParams,
+    Params extends PathParams<keyof Params> = PathParams,
     ResponseBody extends DefaultBodyType = DefaultBodyType,
   >(
     path: Path,
diff --git a/src/utils/matching/matchRequestUrl.ts b/src/utils/matching/matchRequestUrl.ts
index d0b8c10fe..7a325d2ba 100644
--- a/src/utils/matching/matchRequestUrl.ts
+++ b/src/utils/matching/matchRequestUrl.ts
@@ -3,8 +3,8 @@ import { getCleanUrl } from '@mswjs/interceptors/lib/utils/getCleanUrl'
 import { normalizePath } from './normalizePath'
 
 export type Path = string | RegExp
-export type PathParams<T = Record<string, string | ReadonlyArray<string>>> = {
-  [K in keyof T]?: string | ReadonlyArray<string>
+export type PathParams<K extends keyof any = string> = {
+  [P in K]?: string | ReadonlyArray<string>
 }
 
 export interface Match {