diff --git a/lib/liquid/tags/assign.rb b/lib/liquid/tags/assign.rb
index fa852a02..5d825446 100644
--- a/lib/liquid/tags/assign.rb
+++ b/lib/liquid/tags/assign.rb
@@ -15,7 +15,7 @@ module Liquid
       super
       if markup =~ Syntax
         @to = $1
-        @from = Variable.new($2)
+        @from = Variable.new($2,options)
       else
         raise SyntaxError.new options[:locale].t("errors.syntax.assign".freeze)
       end
diff --git a/test/integration/assign_test.rb b/test/integration/assign_test.rb
index e9f5119e..73446f04 100644
--- a/test/integration/assign_test.rb
+++ b/test/integration/assign_test.rb
@@ -24,4 +24,15 @@ class AssignTest < Minitest::Test
                        '{% assign foo not values %}.',
                        'values' => "foo,bar,baz")
   end
+
+  def test_assign_uses_error_mode
+    with_error_mode(:strict) do
+      assert_raises(SyntaxError) do
+        Template.parse("{% assign foo = ('X' | downcase) %}")
+      end
+    end
+    with_error_mode(:lax) do
+      assert Template.parse("{% assign foo = ('X' | downcase) %}")
+    end
+  end
 end # AssignTest