diff --git a/src/schematics/deploy/actions.ts b/src/schematics/deploy/actions.ts
index 42d12739a..9953484af 100644
--- a/src/schematics/deploy/actions.ts
+++ b/src/schematics/deploy/actions.ts
@@ -31,6 +31,7 @@ const spawnAsync = async (
 ) =>
   new Promise<Buffer>((resolve, reject) => {
     const [spawnCommand, ...args] = command.split(/\s+/);
+    options = { ...(options || {}), shell: true };
     const spawnProcess = spawn(spawnCommand, args, options);
     const chunks: Buffer[] = [];
     const errorChunks: Buffer[] = [];
@@ -315,7 +316,8 @@ export const deployToCloudRun = async (
   fsHost.copySync(staticOut, newStaticOut);
   fsHost.copySync(serverOut, newServerOut);
 
-  const packageJson = getPackageJson(context, workspaceRoot, options, join(serverBuildOptions.outputPath, 'main.js'));
+  // Target runtime is Linux based.
+  const packageJson = getPackageJson(context, workspaceRoot, options, [serverBuildOptions.outputPath, 'main.js'].join('/'));
   const nodeVersion = packageJson.engines.node;
 
   if (!satisfies(process.versions.node, nodeVersion.toString())) {