diff --git a/scripts/htmlPreprocessorDefines.py b/scripts/htmlPreprocessorDefines.py
index 8fa54fa4c..f8230a90e 100644
--- a/scripts/htmlPreprocessorDefines.py
+++ b/scripts/htmlPreprocessorDefines.py
@@ -14,23 +14,24 @@ def check(inp, lst, pattern):
         x = re.findall(pattern, line)
         if len(x) > 0:
             if line.find("ENDIF_") != -1:
-                if q.empty():
-                    error("missing open statement!")
-                if q.get() != x[0]:
-                    error("wrong close statement!")
-                keep = True
+                if not q.empty():
+                    e = q.get()
+                    if e[0] == x[0]:
+                        keep = e[1]
             elif line.find("IF_") != -1:
-                q.put(x[0])
+                q.put((x[0], keep))
                 if keep is True:
                     keep = x[0] in lst
             elif line.find("E") != -1:
                 if q.empty():
-                    error("missing open statement!")
-                keep = not keep
+                    error("(ELSE) missing open statement!")
+                e = q.get()
+                q.put(e)
+                if e[1] is True:
+                    keep = not keep
         else:
             if keep is True:
                 out.append(line)
-
     return out
 
 def conv(inp, lst):
diff --git a/src/CHANGES.md b/src/CHANGES.md
index 71a8fa164..876e7f935 100644
--- a/src/CHANGES.md
+++ b/src/CHANGES.md
@@ -1,5 +1,8 @@
 # Development Changes
 
+## 0.8.91 - 2024-03-05
+* fix javascript issues #1480
+
 ## 0.8.90 - 2024-03-05
 * added preprocessor defines to HTML (from platform.ini) to reduce the HTML in size if modules aren't enabled
 * auto build minimal English versions of ESP8266 and ESP32
diff --git a/src/defines.h b/src/defines.h
index 5f156cbb8..0d1509cc9 100644
--- a/src/defines.h
+++ b/src/defines.h
@@ -13,7 +13,7 @@
 //-------------------------------------
 #define VERSION_MAJOR       0
 #define VERSION_MINOR       8
-#define VERSION_PATCH       90
+#define VERSION_PATCH       91
 
 //-------------------------------------
 typedef struct {
diff --git a/src/web/html/api.js b/src/web/html/api.js
index 5cce42067..1b51699c4 100644
--- a/src/web/html/api.js
+++ b/src/web/html/api.js
@@ -84,10 +84,12 @@ function topnav() {
 }
 
 function parseNav(obj) {
-    for(i = 0; i < 13; i++) {
+    for(i = 0; i < 14; i++) {
         if(i == 2)
             continue;
         var l = document.getElementById("nav"+i);
+        if(null == l)
+            continue
         if(12 == i) {
             if(obj.cst_lnk.length > 0) {
                 l.href = obj.cst_lnk
diff --git a/src/web/html/includes/nav.html b/src/web/html/includes/nav.html
index c0d6c4703..4718e257d 100644
--- a/src/web/html/includes/nav.html
+++ b/src/web/html/includes/nav.html
@@ -17,7 +17,8 @@
         <a id="nav7" class="hide" href="/system?v={#VERSION}">System</a>
         <span class="separator"></span>
         <a id="nav8" href="/api" target="_blank">REST API</a>
-        <a id="nav9" href="https://ahoydtu.de" target="_blank">{#NAV_DOCUMENTATION}</a>
+        <a id="nav9" href="https://docs.ahoydtu.de" target="_blank">{#NAV_DOCUMENTATION}</a>
+        <a id="nav13" href="https://ahoydtu.de" target="_blank">Website</a>
         <a id="nav10" href="/about?v={#VERSION}">{#NAV_ABOUT}</a>
         <a id="nav12" href="#" class="hide" target="_blank">Custom Link</a>
         <span class="separator"></span>
diff --git a/src/web/html/setup.html b/src/web/html/setup.html
index 3536fee38..b6b8929e0 100644
--- a/src/web/html/setup.html
+++ b/src/web/html/setup.html
@@ -1090,7 +1090,6 @@
 
             /*IF_PLUGIN_DISPLAY*/
             function parseDisplay(obj, type, system) {
-                var pinList = esp8266pins;
                 /*IF_ESP32*/
                 var pinList = esp32pins;
                 /*IF_ESP32-S2*/
@@ -1102,6 +1101,8 @@
                 /*IF_ESP32-C3*/
                 pinList = esp32c3pins;
                 /*ENDIF_ESP32-C3*/
+                /*ELSE*/
+                var pinList = esp8266pins;
                 /*ENDIF_ESP32*/
 
                 for(var i of ["disp_pwr"])