diff --git a/src/main.js b/src/main.js
index 273f3e4..488935d 100644
--- a/src/main.js
+++ b/src/main.js
@@ -579,6 +579,13 @@ importBtn.addEventListener('click', () => {
 });
 
 settingsForm.addEventListener('input', () => validKeys(privateKeyInput.value, pubKeyInput.value));
+privateKeyInput.addEventListener('paste', (event) => {
+  if (!pubKeyInput.value && event.clipboardData) {
+    try {
+      pubKeyInput.value = getPublicKey(event.clipboardData.getData('text'));
+    } catch(err) {} // ignore as the error will be shown by validKeys later on input
+  }
+});
 
 function validKeys(privatekey, pubkey) {
   try {