diff --git a/packages/cli/package.json b/packages/cli/package.json
index 6caa312f37..c6eab1701e 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -26,7 +26,8 @@
     "dist"
   ],
   "config": {
-    "sandboxImageUri": "gemini-cli-sandbox"
+    "sandboxImageUri": "gemini-cli-sandbox",
+    "sandboximageName": "gemini-cli-sandbox"
   },
   "dependencies": {
     "@gemini-cli/core": "file:../core",
diff --git a/packages/cli/src/config/sandboxConfig.ts b/packages/cli/src/config/sandboxConfig.ts
index e0adf0ac36..fc444af660 100644
--- a/packages/cli/src/config/sandboxConfig.ts
+++ b/packages/cli/src/config/sandboxConfig.ts
@@ -91,7 +91,7 @@ export async function loadSandboxConfig(
   const image =
     argv['sandbox-image'] ??
     process.env.GEMINI_SANDBOX_IMAGE ??
-    packageJson?.config?.sandboxImageUri;
+    packageJson?.config?.sandboximageName;
 
   return command && image ? { command, image } : undefined;
 }
diff --git a/packages/cli/src/utils/package.ts b/packages/cli/src/utils/package.ts
index d53a02349f..47a08b3260 100644
--- a/packages/cli/src/utils/package.ts
+++ b/packages/cli/src/utils/package.ts
@@ -14,6 +14,7 @@ import path from 'path';
 export type PackageJson = BasePackageJson & {
   config?: {
     sandboxImageUri?: string;
+    sandboximageName?: string;
   };
 };
 
diff --git a/scripts/build_sandbox.js b/scripts/build_sandbox.js
index 941fa7f677..8098d6f72a 100644
--- a/scripts/build_sandbox.js
+++ b/scripts/build_sandbox.js
@@ -61,7 +61,7 @@ if (sandboxCommand === 'sandbox-exec') {
 
 console.log(`using ${sandboxCommand} for sandboxing`);
 
-const baseImage = cliPkgJson.config.sandboxImageUri;
+const baseImage = cliPkgJson.config.sandboximageName;
 const customImage = argv.i;
 const baseDockerfile = 'Dockerfile';
 const customDockerfile = argv.f;
diff --git a/scripts/prepare-cli-packagejson.js b/scripts/prepare-cli-packagejson.js
index 187dd28372..4a3e914d72 100644
--- a/scripts/prepare-cli-packagejson.js
+++ b/scripts/prepare-cli-packagejson.js
@@ -45,6 +45,7 @@ if (!cliPackageJson.config) {
   cliPackageJson.config = {};
 }
 cliPackageJson.config.sandboxImageUri = containerImageUri;
+cliPackageJson.config.sandboximageName = containerImageName;
 
 // Remove 'prepublishOnly' from scripts if it exists
 if (cliPackageJson.scripts && cliPackageJson.scripts.prepublishOnly) {