1 files changed, 1 insertions, 1 deletions
diff --git a/actionpack/lib/action_controller/vendor/html-scanner/html/node.rb b/actionpack/lib/action_controller/vendor/html-scanner/html/node.rb
index f3e8eb1a22..4f02e2d421 100644
--- a/actionpack/lib/action_controller/vendor/html-scanner/html/node.rb
+++ b/actionpack/lib/action_controller/vendor/html-scanner/html/node.rb
@@ -497,7 +497,7 @@ module HTML #:nodoc:
       def match_condition(value, condition)
         case condition
           when String
-            value && value.index(condition)
+            value && value == condition
           when Regexp
             value && value.match(condition)
           when Numeric