diff --git a/lib/open_project/form_tag_helper.rb b/lib/open_project/form_tag_helper.rb
index f45a568c4f1..f49b2ef041a 100644
--- a/lib/open_project/form_tag_helper.rb
+++ b/lib/open_project/form_tag_helper.rb
@@ -83,7 +83,7 @@ module OpenProject
 
         if options[:with_text_formatting]
           # use either the provided id or fetch the one created by rails
-          id = options[:id] || output.match(/<[^>]* id="(\w+)"[^>]*>/)[1]
+          id = options[:id] || output.match(/<textarea[^>]* id="(\w+)"[^>]*>/)[1]
           output << text_formatting_wrapper(id, options)
         end
 
diff --git a/lib/tabular_form_builder.rb b/lib/tabular_form_builder.rb
index 9147756edd6..04e208b3f87 100644
--- a/lib/tabular_form_builder.rb
+++ b/lib/tabular_form_builder.rb
@@ -63,7 +63,7 @@ class TabularFormBuilder < ActionView::Helpers::FormBuilder
     ->(input, options) {
       if options[:with_text_formatting]
         # use either the provided id or fetch the one created by rails
-        id = options[:id] || input.match(/<[^>]* id="(\w+)"[^>]*>/)[1]
+        id = options[:id] || input.match(/<textarea[^>]* id="(\w+)"[^>]*>/)[1]
         options[:preview_context] ||= preview_context(object)
         input.concat text_formatting_wrapper id, options
       end