diff --git a/lib/core/Axios.js b/lib/core/Axios.js
index 2765bbbda3..8eebdc4e0a 100644
--- a/lib/core/Axios.js
+++ b/lib/core/Axios.js
@@ -40,9 +40,9 @@ class Axios {
       return await this._request(configOrUrl, config);
     } catch (err) {
       if (err instanceof Error) {
-        let dummy;
+        let dummy = {};
 
-        Error.captureStackTrace ? Error.captureStackTrace(dummy = {}) : (dummy = new Error());
+        Error.captureStackTrace ? Error.captureStackTrace(dummy) : (dummy = new Error());
 
         // slice off the Error: ... line
         const stack = dummy.stack ? dummy.stack.replace(/^.+\n/, '') : '';