diff --git a/CHANGELOG.md b/CHANGELOG.md
index fbc4139bc3..b09c78521d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 ### Bug fixes
 
 * [#421](https://github.com/rubocop-hq/rubocop-rails/issues/421): Fix incorrect auto-correct for `Rails/LinkToBlank` when using `target: '_blank'` with hash brackets for the option. ([@koic][])
+* [#436](https://github.com/rubocop-hq/rubocop-rails/issues/436): Fix a false positive for `Rails/ContentTag` when the first argument is a splat argument. ([@koic][])
 
 ### Changes
 
diff --git a/lib/rubocop/cop/rails/content_tag.rb b/lib/rubocop/cop/rails/content_tag.rb
index 483a90ee72..9a8ad3aeb5 100644
--- a/lib/rubocop/cop/rails/content_tag.rb
+++ b/lib/rubocop/cop/rails/content_tag.rb
@@ -30,9 +30,7 @@ class ContentTag < Base
 
         def on_send(node)
           first_argument = node.first_argument
-          return unless first_argument
-
-          return if first_argument.variable? || first_argument.send_type? || first_argument.const_type?
+          return if !first_argument || allowed_argument?(first_argument)
 
           add_offense(node) do |corrector|
             autocorrect(corrector, node)
@@ -41,6 +39,10 @@ def on_send(node)
 
         private
 
+        def allowed_argument?(argument)
+          argument.variable? || argument.send_type? || argument.const_type? || argument.splat_type?
+        end
+
         def autocorrect(corrector, node)
           if method_name?(node.first_argument)
             range = correction_range(node)
diff --git a/spec/rubocop/cop/rails/content_tag_spec.rb b/spec/rubocop/cop/rails/content_tag_spec.rb
index bb7210bbf7..bbb9f52eb7 100644
--- a/spec/rubocop/cop/rails/content_tag_spec.rb
+++ b/spec/rubocop/cop/rails/content_tag_spec.rb
@@ -165,6 +165,12 @@
           content_tag($name, "Hello world!", class: ["strong", "highlight"])
         RUBY
       end
+
+      it 'does not register an offence when the first argument is a splat argument' do
+        expect_no_offenses(<<~RUBY)
+          content_tag(*args, &block)
+        RUBY
+      end
     end
 
     context 'when the first argument is a method' do