diff --git a/CHANGELOG.md b/CHANGELOG.md
index e698390..26ea725 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 
 ## [Unreleased]
 
+- Handle ERB-tags inside HTML-tags, like `<div <%= "class='foo'" %>>`
+
 ## [0.10.4] - 2023-08-28
 
 - Avoid grouping single tags
diff --git a/lib/syntax_tree/erb/parser.rb b/lib/syntax_tree/erb/parser.rb
index aefc6ca..ab11be1 100644
--- a/lib/syntax_tree/erb/parser.rb
+++ b/lib/syntax_tree/erb/parser.rb
@@ -368,10 +368,17 @@ def parse_until_erb(classes:)
       def parse_html_opening_tag
         opening = consume(:open)
         name = consume(:name)
+
         if name.value =~ /\A[@:#]/
           raise ParseError, "Invalid html-tag name #{name}"
         end
-        attributes = many { parse_html_attribute }
+
+        attributes =
+          many do
+            atleast do
+              maybe { parse_erb_tag } || maybe { parse_html_attribute }
+            end
+          end
 
         closing =
           atleast do
diff --git a/test/erb_test.rb b/test/erb_test.rb
index 99db39f..7d4b152 100644
--- a/test/erb_test.rb
+++ b/test/erb_test.rb
@@ -51,6 +51,13 @@ def test_if_and_end_in_same_tag
       assert_formatting(source, expected)
     end
 
+    def test_erb_inside_html_tag
+      source = "<div <% if eeee then \"b\" else c end %>></div>"
+      expected = "<div <% eeee ? \"b\" : c %>></div>\n"
+
+      assert_formatting(source, expected)
+    end
+
     def test_long_if_statement
       source =
         "<%=number_to_percentage(@reports&.first&.stability*100,precision: 1) if @reports&.first&.other&.stronger&.longer %>"