diff --git a/plugin/index.js b/plugin/index.js
index a1882f3..29e0ff5 100644
--- a/plugin/index.js
+++ b/plugin/index.js
@@ -245,6 +245,12 @@ class ServerlessSecrets {
       if (!functions[functionName].environment) functions[functionName].environment = {}
       Object.assign(functions[functionName].environment, this.config.environments.$global, this.config.environments[functionName])
     })
+
+    // process.env.IS_LOCAL === 'true' is set when called by 'sls invoke local'
+    if (process.env._HANDLER === undefined && process.env.IS_LOCAL === 'true') {
+      const invokedFunction = functions[this.options.function]
+      process.env._HANDLER = invokedFunction.handler
+    }
   }
 
   setIamPermissions () {