diff --git a/README.md b/README.md
index 430ecc4..165f8af 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 A small rust project that visualizes the contents of iptables in a web interface. 
 
-An example to embedd a [SPA](https://en.wikipedia.org/wiki/Single-page_application) into a rust binary with minimal runtime dependencies.
+An example to embedd a [SPA](https://en.wikipedia.org/wiki/Single-page_application) into a  rust binary with minimal runtime dependencies.
 It uses [svelte](https://svelte.dev), [vite](https://vitejs.dev), [tailwindcss](https://tailwindcss.com) on the web frontend. And rust, [warp] on the backend. 
 
 Credits to the Rust+Vite+Svelte project https://github.com/fdeantoni/rust-vite-svelte and the iptables_exporter project https://github.com/kbknapp/iptables_exporter where this project took inspiration and code from.
diff --git a/web/src/Tables.svelte b/web/src/Tables.svelte
index 2098f0d..2acdda0 100644
--- a/web/src/Tables.svelte
+++ b/web/src/Tables.svelte
@@ -22,6 +22,7 @@ async function getIptables() {
         iptables = await response.json();
         console.log(iptables);
         tables = iptables.tables;
+        if (tables.length == 0) throw new Error("No tables found. Run as root or with sudo."); 
         cur_table = tables[0]
 
         myerror = null;