diff --git a/src/app-gocardless/banks/mbank-retail-brexplpw.js b/src/app-gocardless/banks/mbank-retail-brexplpw.js
index 11fd7943d..c2f84ad32 100644
--- a/src/app-gocardless/banks/mbank-retail-brexplpw.js
+++ b/src/app-gocardless/banks/mbank-retail-brexplpw.js
@@ -9,7 +9,7 @@ export default {
 
   institutionIds: ['MBANK_RETAIL_BREXPLPW'],
 
-  accessValidForDays: 180,
+  accessValidForDays: 179,
 
   normalizeAccount(account) {
     return {
diff --git a/upcoming-release-notes/407.md b/upcoming-release-notes/407.md
new file mode 100644
index 000000000..3bc51ff7c
--- /dev/null
+++ b/upcoming-release-notes/407.md
@@ -0,0 +1,6 @@
+---
+category: Bugfix
+authors: [vrozaksen]
+---
+
+Fix mBank Retail (Poland) Integration issue. Changed accessValidForDays from 180 to 179.