diff --git a/CHANGELOG.md b/CHANGELOG.md
index 622a68b8557..a86d7eb42da 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,4 @@
+- Addressed an issue preventing Astro applications from being deployed from Windows. (#5709)
 - Fixed an issue preventing Angular apps using ng-deploy from being emulated or deployed. (#6584)
 - Warn if a Web Framework is outside a well known version range on deploy/emulate. (#6562)
 - Use Web Framework's well known version range in `firebase init hosting`. (#6562)
diff --git a/src/frameworks/astro/utils.ts b/src/frameworks/astro/utils.ts
index 89571ce11cc..babb9f3d48b 100644
--- a/src/frameworks/astro/utils.ts
+++ b/src/frameworks/astro/utils.ts
@@ -1,6 +1,7 @@
 import { dirname, join, relative } from "path";
 import { findDependency } from "../utils";
 import { gte } from "semver";
+import { fileURLToPath } from "url";
 
 const { dynamicImport } = require(true && "../../dynamicImport");
 
@@ -29,8 +30,8 @@ export async function getConfig(cwd: string) {
     config = astroConfig;
   }
   return {
-    outDir: relative(cwd, config.outDir.pathname),
-    publicDir: relative(cwd, config.publicDir.pathname),
+    outDir: relative(cwd, fileURLToPath(config.outDir)),
+    publicDir: relative(cwd, fileURLToPath(config.publicDir)),
     output: config.output,
     adapter: config.adapter,
   };