diff --git a/examples/server/public/index.html.gz b/examples/server/public/index.html.gz
index df3cb1bef..e876776e8 100644
Binary files a/examples/server/public/index.html.gz and b/examples/server/public/index.html.gz differ
diff --git a/examples/server/webui/src/main.js b/examples/server/webui/src/main.js
index bc8a6d80f..50197a355 100644
--- a/examples/server/webui/src/main.js
+++ b/examples/server/webui/src/main.js
@@ -468,14 +468,9 @@ const mainApp = createApp({
       URL.revokeObjectURL(url);
     },
     async sendMessage() {
-      if (!this.inputMsg) return;
-
-      if (this.isGenerating) {
-        this.stopGeneration();
-        while (this.isGenerating) {
-          await new Promise((resolve) => setTimeout(resolve, 10));
-        }
-      }
+      // prevent sending empty message
+      // also allow typing the message while generating, but does not allow sending it (to match UX/UI behavior of other chat apps)
+      if (!this.inputMsg || this.isGenerating) return;
 
       const currConvId = this.viewingConvId;