diff --git a/src/pages/pgp.astro b/src/pages/pgp.astro
index d04157c..3e82a4a 100644
--- a/src/pages/pgp.astro
+++ b/src/pages/pgp.astro
@@ -49,21 +49,29 @@ AP0YLC768PFTBm9CM5T1BE0xjJ7s4dZSrVoI4n8RSe1nCA==
 
 <script>
   /* Clipboard copy logic */
-  document.querySelector('.copy-btn').addEventListener('click', async () => {
-    const keyText = document.querySelector('#public-key code').innerText.trim()
-    try {
-      await navigator.clipboard.writeText(keyText)
-      const btn = document.querySelector('.copy-btn')
-      const original = btn.textContent
-      btn.textContent = 'Copied!'
-      setTimeout(() => {
-        btn.textContent = original
-      }, 2000)
-    } catch (err) {
-      console.error('Copy failed', err)
-      alert('Unable to copy the key. Please copy it manually.')
-    }
-  })
+  const copyBtn = document.querySelector('.copy-btn')
+  if (copyBtn) {
+    copyBtn.addEventListener('click', async () => {
+      const keyText = (
+        document.querySelector('#public-key code') as HTMLElement
+      )?.innerText.trim()
+      if (!keyText) return
+      try {
+        await navigator.clipboard.writeText(keyText)
+        const btn = document.querySelector('.copy-btn')
+        if (btn) {
+          const original = btn.textContent
+          btn.textContent = 'Copied!'
+          setTimeout(() => {
+            btn.textContent = original
+          }, 2000)
+        }
+      } catch (err) {
+        console.error('Copy failed', err)
+        alert('Unable to copy the key. Please copy it manually.')
+      }
+    })
+  }
 </script>
 
 <style>