diff --git a/README.md b/README.md
index 7076ca2..bda2f9a 100644
--- a/README.md
+++ b/README.md
@@ -144,7 +144,7 @@ You can set the minimum package age through multiple sources (in order of priori
 2. **Environment Variable**:
 
    ```shell
-   export AIKIDO_MINIMUM_PACKAGE_AGE_HOURS=48
+   export SAFE_CHAIN_MINIMUM_PACKAGE_AGE_HOURS=48
    npm install express
    ```
 
diff --git a/packages/safe-chain/src/config/environmentVariables.js b/packages/safe-chain/src/config/environmentVariables.js
index 95616c5..5c6056a 100644
--- a/packages/safe-chain/src/config/environmentVariables.js
+++ b/packages/safe-chain/src/config/environmentVariables.js
@@ -3,5 +3,5 @@
  * @returns {string | undefined}
  */
 export function getMinimumPackageAgeHours() {
-  return process.env.AIKIDO_MINIMUM_PACKAGE_AGE_HOURS;
+  return process.env.SAFE_CHAIN_MINIMUM_PACKAGE_AGE_HOURS;
 }