diff --git a/ui/litellm-dashboard/src/components/common_components/RouterSettingsAccordion.tsx b/ui/litellm-dashboard/src/components/common_components/RouterSettingsAccordion.tsx
index ae4b87a3587..18c5d52b4f7 100644
--- a/ui/litellm-dashboard/src/components/common_components/RouterSettingsAccordion.tsx
+++ b/ui/litellm-dashboard/src/components/common_components/RouterSettingsAccordion.tsx
@@ -241,9 +241,13 @@ const RouterSettingsAccordion = forwardRef<RouterSettingsAccordionRef, RouterSet
               key !== "fallbacks"
             ) {
               const inputEl = document.querySelector(`input[name="${key}"]`) as HTMLInputElement | null;
-              if (inputEl && inputEl.value !== undefined && inputEl.value !== "") {
-                const parsed = parseInputValue(key, inputEl.value, value);
-                return [key, parsed];
+              if (inputEl) {
+                if (inputEl.value !== undefined && inputEl.value !== "") {
+                  const parsed = parseInputValue(key, inputEl.value, value);
+                  return [key, parsed];
+                }
+                // Input exists but is empty — user cleared it, set to null
+                return [key, null];
               }
               return [key, value];
             } else if (key === "routing_strategy") {