diff --git a/app-2025.js b/app-2025.js
index b61b0ee..1669c13 100644
--- a/app-2025.js
+++ b/app-2025.js
@@ -650,7 +650,7 @@ document.getElementById('min_gap').addEventListener("change", function() {
 });
 document.getElementById('max_slow_speed').value = settings.max_slow_speed;
 document.getElementById('max_slow_speed').addEventListener("change", function() { 
-    settings.min_gap = document.getElementById('max_slow_speed').value;
+    settings.max_slow_speed = document.getElementById('max_slow_speed').value;
     saveSettings();
     console.log('max_slow_speed updated');
 });
diff --git a/app-by-distance.js b/app-by-distance.js
index 7be461c..738dfc3 100644
--- a/app-by-distance.js
+++ b/app-by-distance.js
@@ -861,7 +861,7 @@ document.getElementById('min_gap').addEventListener("change", function() {
 });
 document.getElementById('max_slow_speed').value = settings.max_slow_speed;
 document.getElementById('max_slow_speed').addEventListener("change", function() { 
-    settings.min_gap = document.getElementById('max_slow_speed').value;
+    settings.max_slow_speed = document.getElementById('max_slow_speed').value;
     saveSettings();
     console.log('max_slow_speed updated');
 });
diff --git a/app.js b/app.js
index 68bc8a3..ac7d027 100644
--- a/app.js
+++ b/app.js
@@ -649,7 +649,7 @@ document.getElementById('min_gap').addEventListener("change", function() {
 });
 document.getElementById('max_slow_speed').value = settings.max_slow_speed;
 document.getElementById('max_slow_speed').addEventListener("change", function() { 
-    settings.min_gap = document.getElementById('max_slow_speed').value;
+    settings.max_slow_speed = document.getElementById('max_slow_speed').value;
     saveSettings();
     console.log('max_slow_speed updated');
 });