diff --git a/src/config.ts b/src/config.ts
index aebc38d..584c199 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -55,9 +55,10 @@ export function getConfig(): Config {
     ),
     ENVIRONMENT: core.getInput("ENVIRONMENT", { required: false }),
     TARGET: core.getInput("TARGET", { required: false }),
-    AUDIT_LOG_HASHING_SALT: core.getInput("AUDIT_LOG_HASHING_SALT", {
-      required: false,
-    }),
+    AUDIT_LOG_HASHING_SALT:
+        core.getInput("AUDIT_LOG_HASHING_SALT") ||
+        process.env.GITHUB_REPOSITORY_ID ||
+        "",
   };
 
   if (config.DRY_RUN) {