diff --git a/resources/user-agent.css b/resources/user-agent.css
index 50fdae84d9a..9d2c2508d98 100644
--- a/resources/user-agent.css
+++ b/resources/user-agent.css
@@ -252,6 +252,7 @@ table:matches(
 
 input, select, option, optgroup, button, textarea, keygen {
   text-indent: initial;
+  text-transform: none;
 }
 
 textarea { white-space: pre-wrap; }