diff --git a/src/models.js b/src/models.js
index 15ad546..54539c9 100644
--- a/src/models.js
+++ b/src/models.js
@@ -9,7 +9,18 @@ export const modelRegistry = {};
 export async function fetchModelsFromEndpoints() {
 	const cacheKey = "modelRegistryCache";
 	const endpointsKey = "vllmEndpointsHash";
-	const endpointsString = JSON.stringify(VLLM_ENDPOINTS);
+	
+	// Include custom API config in cache key to bust cache when it changes
+	const customAPIConfig = {
+		useCustomAPI: localStorage.getItem("useCustomAPI"),
+		customBaseURL: localStorage.getItem("customBaseURL"),
+		customAPIKey: localStorage.getItem("customAPIKey")
+	};
+	const endpointsString = JSON.stringify({ 
+		vllm: VLLM_ENDPOINTS, 
+		custom: customAPIConfig 
+	});
+	
 	const cachedEndpoints = localStorage.getItem(endpointsKey);
 	const cacheItem = localStorage.getItem(cacheKey);
 	const now = Date.now();