diff --git a/Version.h b/Version.h
index be34da5..7181a75 100644
--- a/Version.h
+++ b/Version.h
@@ -1,3 +1,3 @@
 #pragma once
 
-#define nuki_hub_version "5.3"
\ No newline at end of file
+#define nuki_hub_version "5.4"
\ No newline at end of file
diff --git a/WebCfgServer.cpp b/WebCfgServer.cpp
index 1e6aa42..7233156 100644
--- a/WebCfgServer.cpp
+++ b/WebCfgServer.cpp
@@ -13,13 +13,14 @@ WebCfgServer::WebCfgServer(NukiWrapper* nuki, NukiOpenerWrapper* nukiOpener, Net
   _allowRestartToPortal(allowRestartToPortal)
 {
     _confirmCode = generateConfirmCode();
-
     _hostname = _preferences->getString(preference_hostname);
-
     String str = _preferences->getString(preference_cred_user);
 
     if(str.length() > 0)
     {
+        memset(&_credUser, 0, sizeof(_credUser));
+        memset(&_credPassword, 0, sizeof(_credPassword));
+
         _hasCredentials = true;
         const char *user = str.c_str();
         memcpy(&_credUser, user, str.length());
diff --git a/WebCfgServer.h b/WebCfgServer.h
index af2cc4d..608867a 100644
--- a/WebCfgServer.h
+++ b/WebCfgServer.h
@@ -71,8 +71,8 @@ private:
     const String intercss = "@font-face{font-family:Inter;src:url(src/inter/Inter-Thin.woff2) format(\\'woff2\\'),url(src/inter/Inter-Thin.woff) format(\\'woff\\'),url(src/inter/Inter-Thin.ttf) format(\\'truetype\\');font-weight:100;font-style:normal}@font-face{font-family:Inter;src:url(src/inter/Inter-ExtraLight.woff2) format(\\'woff2\\'),url(src/inter/Inter-ExtraLight.woff) format(\\'woff\\'),url(src/inter/Inter-ExtraLight.ttf) format(\\'truetype\\');font-weight:200;font-style:normal}@font-face{font-family:Inter;src:url(src/inter/Inter-Light.woff2) format(\\'woff2\\'),url(src/inter/Inter-Light.woff) format(\\'woff\\'),url(src/inter/Inter-Light.ttf) format(\\'truetype\\');font-weight:300;font-style:normal}@font-face{font-family:Inter;src:url(src/inter/Inter-Regular.woff2) format(\\'woff2\\'),url(src/inter/Inter-Regular.woff) format(\\'woff\\'),url(src/inter/Inter-Regular.ttf) format(\\'truetype\\');font-weight:400;font-style:normal}@font-face{font-family:Inter;src:url(src/inter/Inter-Medium.woff2) format(\\'woff2\\'),url(src/inter/Inter-Medium.woff) format(\\'woff\\'),url(src/inter/Inter-Medium.ttf) format(\\'truetype\\');font-weight:500;font-style:normal}@font-face{font-family:Inter;src:url(src/inter/Inter-SemiBold.woff2) format(\\'woff2\\'),url(src/inter/Inter-SemiBold.woff) format(\\'woff\\'),url(src/inter/Inter-SemiBold.ttf) format(\\'truetype\\');font-weight:600;font-style:normal}@font-face{font-family:Inter;src:url(src/inter/Inter-Bold.woff2) format(\\'woff2\\'),url(src/inter/Inter-Bold.woff) format(\\'woff\\'),url(src/inter/Inter-Bold.ttf) format(\\'truetype\\');font-weight:700;font-style:normal}@font-face{font-family:Inter;src:url(src/inter/Inter-ExtraBold.woff2) format(\\'woff2\\'),url(src/inter/Inter-ExtraBold.woff) format(\\'woff\\'),url(src/inter/Inter-ExtraBold.ttf) format(\\'truetype\\');font-weight:800;font-style:normal}@font-face{font-family:Inter;src:url(src/inter/Inter-Black.woff2) format(\\'woff2\\'),url(src/inter/Inter-Black.woff) format(\\'woff\\'),url(src/inter/Inter-Black.ttf) format(\\'truetype\\');font-weight:900;font-style:normal}@font-face{font-family:Inter;src:url(src/inter/Inter-ThinItalic.woff2) format(\\'woff2\\'),url(src/inter/Inter-ThinItalic.woff) format(\\'woff\\'),url(src/inter/Inter-ThinItalic.ttf) format(\\'truetype\\');font-weight:100;font-style:italic}@font-face{font-family:Inter;src:url(src/inter/Inter-ExtraLightItalic.woff2) format(\\'woff2\\'),url(src/inter/Inter-ExtraLightItalic.woff) format(\\'woff\\'),url(src/inter/Inter-ExtraLightItalic.ttf) format(\\'truetype\\');font-weight:200;font-style:italic}@font-face{font-family:Inter;src:url(src/inter/Inter-LightItalic.woff2) format(\\'woff2\\'),url(src/inter/Inter-LightItalic.woff) format(\\'woff\\'),url(src/inter/Inter-LightItalic.ttf) format(\\'truetype\\');font-weight:300;font-style:italic}@font-face{font-family:Inter;src:url(src/inter/Inter-Italic.woff2) format(\\'woff2\\'),url(src/inter/Inter-Italic.woff) format(\\'woff\\'),url(src/inter/Inter-Italic.ttf) format(\\'truetype\\');font-weight:400;font-style:italic}@font-face{font-family:Inter;src:url(src/inter/Inter-MediumItalic.woff2) format(\\'woff2\\'),url(src/inter/Inter-MediumItalic.woff) format(\\'woff\\'),url(src/inter/Inter-MediumItalic.ttf) format(\\'truetype\\');font-weight:500;font-style:italic}@font-face{font-family:Inter;src:url(src/inter/Inter-SemiBoldItalic.woff2) format(\\'woff2\\'),url(src/inter/Inter-SemiBoldItalic.woff) format(\\'woff\\'),url(src/inter/Inter-SemiBoldItalic.ttf) format(\\'truetype\\');font-weight:600;font-style:italic}@font-face{font-family:Inter;src:url(src/inter/Inter-BoldItalic.woff2) format(\\'woff2\\'),url(src/inter/Inter-BoldItalic.woff) format(\\'woff\\'),url(src/inter/Inter-BoldItalic.ttf) format(\\'truetype\\');font-weight:700;font-style:italic}@font-face{font-family:Inter;src:url(src/inter/Inter-ExtraBoldItalic.woff2) format(\\'woff2\\'),url(src/inter/Inter-ExtraBoldItalic.woff) format(\\'woff\\'),url(src/inter/Inter-ExtraBoldItalic.ttf) format(\\'truetype\\');font-weight:800;font-style:italic}@font-face{font-family:Inter;src:url(src/inter/Inter-BlackItalic.woff2) format(\\'woff2\\'),url(src/inter/Inter-BlackItalic.woff) format(\\'woff\\'),url(src/inter/Inter-BlackItalic.ttf) format(\\'truetype\\');font-weight:900;font-style:italic}";
 
     bool _hasCredentials = false;
-    char _credUser[20] = {0};
-    char _credPassword[20] = {0};
+    char _credUser[31] = {0};
+    char _credPassword[31] = {0};
     bool _allowRestartToPortal = false;
     uint32_t _transferredSize = 0;
     bool _otaStart = true;
diff --git a/webflash/nuki_hub.bin b/webflash/nuki_hub.bin
index 0530984..3bf4cb9 100644
Binary files a/webflash/nuki_hub.bin and b/webflash/nuki_hub.bin differ