diff --git a/packages/path/src/Interpolate.ts b/packages/path/src/Interpolate.ts
index ef738a442..adcf8a2c8 100644
--- a/packages/path/src/Interpolate.ts
+++ b/packages/path/src/Interpolate.ts
@@ -4,7 +4,7 @@
  * @since 1.0.0
  */
 
-import type { S } from "ts-toolbelt"
+import type { A, S } from "ts-toolbelt"
 import type {
   ModifierNode,
   NamedParamNode,
@@ -25,12 +25,13 @@ import type { PathJoin } from "./PathJoin.js"
  * Interpolate a path with parameters
  * @since 1.0.0
  */
-export type Interpolate<P extends string, Params extends ParamsOf<P>> = PathJoin<
-  InterpolateParts<
-    ParseSegments<PathToSegments<P>>,
-    Params
+export type Interpolate<P extends string, Params extends ParamsOf<P>> = A.Equals<P, string> extends 1 ? string :
+  PathJoin<
+    InterpolateParts<
+      ParseSegments<PathToSegments<P>>,
+      Params
+    >
   >
->
 
 type InterpolateParts<
   T extends ReadonlyArray<any>,
diff --git a/packages/path/src/ParamsOf.ts b/packages/path/src/ParamsOf.ts
index 8a990e9a1..5c37a371a 100644
--- a/packages/path/src/ParamsOf.ts
+++ b/packages/path/src/ParamsOf.ts
@@ -4,6 +4,7 @@
  * @since 1.0.0
  */
 
+import type { A } from "ts-toolbelt"
 import type {
   Modifier,
   ModifierNode,
@@ -24,7 +25,7 @@ import type {
  * Extract the parameters from a path
  * @since 1.0.0
  */
-export type ParamsOf<T extends string> = ToParams<ParseSegments<PathToSegments<T>>>
+export type ParamsOf<T extends string> = A.Equals<T, string> extends 1 ? {} : ToParams<ParseSegments<PathToSegments<T>>>
 
 type ToParams<T extends ReadonlyArray<any>, Params = {}> = [
   // @ts-expect-error Type potentially infinite
diff --git a/packages/router/src/CurrentRoute.ts b/packages/router/src/CurrentRoute.ts
index ce2bf7d78..0ae440fd6 100644
--- a/packages/router/src/CurrentRoute.ts
+++ b/packages/router/src/CurrentRoute.ts
@@ -49,7 +49,7 @@ export function layer<const P extends string>(
   route: P | Route.Route<P>,
   parent: Option.Option<CurrentRoute> = Option.none()
 ): Layer.Layer<CurrentRoute> {
-  return CurrentRoute.layer(make(route as Route.Route<string>, parent))
+  return CurrentRoute.layer(make(route, parent) as any as CurrentRoute)
 }
 
 function getRoute<P extends string>(route: P | Route.Route<P>): Route.Route<P> {
@@ -59,9 +59,12 @@ function getRoute<P extends string>(route: P | Route.Route<P>): Route.Route<P> {
 /**
  * @since 1.0.0
  */
-export const CurrentParams: RefSubject.Filtered<Readonly<Record<string, string>>, never, Navigation | CurrentRoute> =
-  RefSubject
-    .filterMapEffect(CurrentPath, (path) => CurrentRoute.with(({ route }) => route.match(path)))
+export const CurrentParams: RefSubject.Filtered<
+  Readonly<Record<string, string | ReadonlyArray<string>>>,
+  never,
+  Navigation | CurrentRoute
+> = RefSubject
+  .filterMapEffect(CurrentPath, (path) => CurrentRoute.with(({ route }) => route.match(path)))
 
 /**
  * @since 1.0.0
@@ -82,7 +85,7 @@ export const withCurrentRoute: {
   Effect.contextWithEffect((ctx) => {
     const parent = Context.getOption(ctx, CurrentRoute)
 
-    if (Option.isNone(parent)) return pipe(effect, CurrentRoute.provide(make(route) as CurrentRoute))
+    if (Option.isNone(parent)) return pipe(effect, CurrentRoute.provide(make(route) as any as CurrentRoute))
 
     return pipe(
       effect,
diff --git a/packages/router/src/Matcher.ts b/packages/router/src/Matcher.ts
index 3a87f5dff..3eaf63c02 100644
--- a/packages/router/src/Matcher.ts
+++ b/packages/router/src/Matcher.ts
@@ -186,9 +186,9 @@ function getGuard<const P extends string, B, E2, R2>(
   guard?: Guard.Guard<Path.ParamsOf<P>, B, E2, R2>
 ) {
   if (guard) {
-    return Guard.compose(getRoute(path), guard)
+    return Guard.compose(path, guard)
   } else {
-    return getRoute(path).asGuard()
+    return path.asGuard()
   }
 }