diff --git a/.changeset/tender-apples-lie.md b/.changeset/tender-apples-lie.md
new file mode 100644
index 0000000000..3528c63863
--- /dev/null
+++ b/.changeset/tender-apples-lie.md
@@ -0,0 +1,5 @@
+---
+"astro": patch
+---
+
+Fixes an issue where a leading slash created incorrect conflict resolution between pages generated from static routes and catch-all dynamic routes
diff --git a/packages/astro/src/core/build/generate.ts b/packages/astro/src/core/build/generate.ts
index 4c3fe6fdc5..d874d14114 100644
--- a/packages/astro/src/core/build/generate.ts
+++ b/packages/astro/src/core/build/generate.ts
@@ -51,6 +51,7 @@ import type {
 	StylesheetAsset,
 } from './types.js';
 import { getTimeStat, shouldAppendForwardSlash } from './util.js';
+import {stringifyParams} from "../routing/params.js";
 
 function createEntryURL(filePath: string, outFolder: URL) {
 	return new URL('./' + filePath + `?time=${Date.now()}`, outFolder);
@@ -288,7 +289,7 @@ async function getPathsForRoute(
 		paths = staticPaths
 			.map((staticPath) => {
 				try {
-					return route.generate(staticPath.params);
+					return stringifyParams(staticPath.params, route);
 				} catch (e) {
 					if (e instanceof TypeError) {
 						throw getInvalidRouteSegmentError(e, route, staticPath);
diff --git a/packages/astro/src/core/routing/params.ts b/packages/astro/src/core/routing/params.ts
index de2a8e9795..43cd24cc13 100644
--- a/packages/astro/src/core/routing/params.ts
+++ b/packages/astro/src/core/routing/params.ts
@@ -18,5 +18,5 @@ export function stringifyParams(params: GetStaticPathsItem['params'], route: Rou
 		return acc;
 	}, {} as Params);
 
-	return JSON.stringify(route.generate(validatedParams));
+	return route.generate(validatedParams);
 }
diff --git a/packages/astro/test/dynamic-route-collision.test.js b/packages/astro/test/dynamic-route-collision.test.js
index ca78af9b5b..20bd060b73 100644
--- a/packages/astro/test/dynamic-route-collision.test.js
+++ b/packages/astro/test/dynamic-route-collision.test.js
@@ -21,6 +21,12 @@ describe('Dynamic route collision', () => {
 		assert.equal($('h1').text(), 'Static About');
 	});
 
+	it('Builds a static nested index when in conflict with a dynamic route with slug with leading slash', async () => {
+		const html = await fixture.readFile('/test/index.html');
+		const $ = cheerio.load(html);
+		assert.equal($('h1').text(), 'Static Test');
+	});
+
 	it('Builds a static route when in conflict with a spread route', async () => {
 		const html = await fixture.readFile('/who/index.html');
 		const $ = cheerio.load(html);
@@ -33,6 +39,12 @@ describe('Dynamic route collision', () => {
 		assert.equal($('h1').text(), 'Static Tags Index');
 	});
 
+	it('Builds a static nested index when in conflict with a spread route with slug with leading slash', async () => {
+		const html = await fixture.readFile('/test/ing/index.html');
+		const $ = cheerio.load(html);
+		assert.equal($('h1').text(), 'Static TestIng');
+	});
+
 	it('Builds a static root index when in conflict with a spread route', async () => {
 		const html = await fixture.readFile('/index.html');
 		const $ = cheerio.load(html);
diff --git a/packages/astro/test/fixtures/dynamic-route-collision/src/pages/[...slug].astro b/packages/astro/test/fixtures/dynamic-route-collision/src/pages/[...slug].astro
index 89498c2d9c..71cddfd173 100644
--- a/packages/astro/test/fixtures/dynamic-route-collision/src/pages/[...slug].astro
+++ b/packages/astro/test/fixtures/dynamic-route-collision/src/pages/[...slug].astro
@@ -13,6 +13,10 @@ export async function getStaticPaths() {
 			slug: 'who',
 			title: 'Rest Who We Are',
 		},
+		{
+			slug: '/test/ing/',
+			title: 'Rest TestIng',
+		},
 	];
 	return pages.map(({ slug, title }) => {
 		return {
diff --git a/packages/astro/test/fixtures/dynamic-route-collision/src/pages/[page].astro b/packages/astro/test/fixtures/dynamic-route-collision/src/pages/[page].astro
index 433198cd72..e9d13ab1c8 100644
--- a/packages/astro/test/fixtures/dynamic-route-collision/src/pages/[page].astro
+++ b/packages/astro/test/fixtures/dynamic-route-collision/src/pages/[page].astro
@@ -9,6 +9,10 @@ export async function getStaticPaths() {
 			page: 'blog',
 			title: 'Dynamic Blog',
 		},
+		{
+			page: '/test',
+			title: 'Dynamic Test',
+		},
 	];
 	return pages.map(({ page, title }) => {
 		return {
diff --git a/packages/astro/test/fixtures/dynamic-route-collision/src/pages/test.astro b/packages/astro/test/fixtures/dynamic-route-collision/src/pages/test.astro
new file mode 100644
index 0000000000..c2913e7897
--- /dev/null
+++ b/packages/astro/test/fixtures/dynamic-route-collision/src/pages/test.astro
@@ -0,0 +1,8 @@
+<html>
+    <head>
+        <title>Static Test</title>
+    </head>
+    <body>
+        <h1>Static Test</h1>
+    </body>
+</html>
diff --git a/packages/astro/test/fixtures/dynamic-route-collision/src/pages/test/ing.astro b/packages/astro/test/fixtures/dynamic-route-collision/src/pages/test/ing.astro
new file mode 100644
index 0000000000..0ff390b464
--- /dev/null
+++ b/packages/astro/test/fixtures/dynamic-route-collision/src/pages/test/ing.astro
@@ -0,0 +1,8 @@
+<html>
+    <head>
+        <title>Static TestIng</title>
+    </head>
+    <body>
+        <h1>Static TestIng</h1>
+    </body>
+</html>