diff --git a/integration-tests/hooks-system.test.ts b/integration-tests/hooks-system.test.ts
index d6d1dc61ff..373497492d 100644
--- a/integration-tests/hooks-system.test.ts
+++ b/integration-tests/hooks-system.test.ts
@@ -534,7 +534,11 @@ console.log(JSON.stringify({
 
   describe('BeforeToolSelection Hooks - Tool Configuration', () => {
     it('should modify tool selection with BeforeToolSelection hooks', async () => {
+      // 1. Initial setup to establish test directory
+      rig.setup('BeforeToolSelection Hooks');
+
       const toolConfigJson = JSON.stringify({
+        decision: 'allow',
         hookSpecificOutput: {
           hookEventName: 'BeforeToolSelection',
           toolConfig: {
@@ -547,7 +551,9 @@ console.log(JSON.stringify({
       // Use file-based hook to avoid quoting issues
       const hookScript = `console.log(JSON.stringify(${toolConfigJson}));`;
       const hookFilename = 'before_tool_selection_hook.js';
+      const scriptPath = rig.createScript(hookFilename, hookScript);
 
+      // 2. Final setup with script path
       rig.setup('BeforeToolSelection Hooks', {
         fakeResponsesPath: join(
           import.meta.dirname,
@@ -564,7 +570,7 @@ console.log(JSON.stringify({
                 hooks: [
                   {
                     type: 'command',
-                    command: `node ${hookFilename}`,
+                    command: normalizePath(`node "${scriptPath}"`),
                     timeout: 60000,
                   },
                 ],
@@ -574,9 +580,6 @@ console.log(JSON.stringify({
         },
       });
 
-      // Create the hook script after setup
-      rig.createScript(hookFilename, hookScript);
-
       // Create a test file
       rig.createFile('new_file_data.txt', 'test data');
 
diff --git a/packages/test-utils/src/test-rig.ts b/packages/test-utils/src/test-rig.ts
index 87983ba0e3..776acd62ed 100644
--- a/packages/test-utils/src/test-rig.ts
+++ b/packages/test-utils/src/test-rig.ts
@@ -539,6 +539,7 @@ export class TestRig {
     return {
       ...cleanEnv,
       GEMINI_CLI_HOME: this.homeDir!,
+      GEMINI_PTY_INFO: 'child_process',
       ...extraEnv,
     };
   }