diff --git a/api.go b/api.go
index be2faf2..8bd059f 100644
--- a/api.go
+++ b/api.go
@@ -12,6 +12,17 @@ import (
 */
 import "C"
 
+// Constant LLaMA parameters
+
+const (
+	ParamContextSize             = 512 // RAM requirements: 512 needs 800MB KV (~3216MB overall), 2048 needs 3200MB KV (~??? overall)
+	ParamTopK                    = 40
+	ParamTopP                    = 0.95
+	ParamTemperature             = 0.08
+	ParamRepeatPenalty           = 1.10
+	ParamRepeatPenaltyWindowSize = 64
+)
+
 func (this *Application) POST_Chat(w http.ResponseWriter, r *http.Request) {
 	flusher, ok := w.(http.Flusher)
 	if !ok {
@@ -52,17 +63,6 @@ func (this *Application) POST_Chat(w http.ResponseWriter, r *http.Request) {
 	w.WriteHeader(200)
 	flusher.Flush() // Flush before any responses, so the webui knows things are happening
 
-	// Constant LLaMA parameters
-
-	const (
-		ParamContextSize             = 512 // RAM requirements: 512 needs 800MB KV (~3216MB overall), 2048 needs 3200MB KV (~??? overall)
-		ParamTopK                    = 40
-		ParamTopP                    = 0.95
-		ParamTemperature             = 0.08
-		ParamRepeatPenalty           = 1.10
-		ParamRepeatPenaltyWindowSize = 64
-	)
-
 	// Start a new LLaMA session
 
 	lparams := C.llama_context_default_params()
diff --git a/webui.go b/webui.go
index 9ad08f0..90e3339 100644
--- a/webui.go
+++ b/webui.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"fmt"
 	"html"
 	"net/http"
 
@@ -44,7 +45,8 @@ button {
 		<button id="interrupt" disabled>⏸️ Interrupt</button>
 		<script type="text/javascript">
 function main() {
-	let conversationID = "` + uuid.New().String() + `";
+	const conversationID = "` + uuid.New().String() + `";
+	const contextSize = ` + fmt.Sprintf("%d", ParamContextSize) + `;
 	const apiKey = "public-web-interface";
 	
 	const $generate = document.getElementById("generate");
@@ -53,7 +55,7 @@ function main() {
 	
 	$generate.addEventListener('click', async function() {
 		const content = $main.value;
-		if (content.split(" ").length >= 2047) {
+		if (content.split(" ").length >= (contextSize-4)) {
 			if (! confirm("Warning: high prompt length, the model will forget part of the content. Are you sure you want to continue?")) {
 				return;
 			}