diff --git a/src/index.html b/src/index.html
index 6c56467..99244b1 100644
--- a/src/index.html
+++ b/src/index.html
@@ -23,15 +23,15 @@
           Algorithm
           <select name="alg">
             <!-- https://www.iana.org/assignments/jose/web-signature-encryption-algorithms.csv -->
-            <option label="ECDSA (ES256)">ES256</option>
-            <option label="ECDSA (ES384)">ES384</option>
-            <option label="ECDSA (ES512)">ES512</option>
-            <option label="RSASSA-PKCS1-v1_5 (RS256)">RS256</option>
-            <option label="RSASSA-PKCS1-v1_5 (RS384)">RS384</option>
-            <option label="RSASSA-PKCS1-v1_5 (RS512)">RS512</option>
-            <option label="RSASSA-PSS (PS256)">PS256</option>
-            <option label="RSASSA-PSS (PS384)">PS384</option>
-            <option label="RSASSA-PSS (PS512)">PS512</option>
+            <option value="ES256">ECDSA (ES256)</option>
+            <option value="ES384">ECDSA (ES384)</option>
+            <option value="ES512">ECDSA (ES512)</option>
+            <option value="RS256">RSASSA-PKCS1-v1_5 (RS256)</option>
+            <option value="RS384">RSASSA-PKCS1-v1_5 (RS384)</option>
+            <option value="RS512">RSASSA-PKCS1-v1_5 (RS512)</option>
+            <option value="PS256">RSASSA-PSS (PS256)</option>
+            <option value="PS384">RSASSA-PSS (PS384)</option>
+            <option value="PS512">RSASSA-PSS (PS512)</option>
             <option>ECDH-ES</option>
             <option>ECDH-ES+A128KW</option>
             <option>ECDH-ES+A192KW</option>