diff --git a/lib/rubocop/cop/style/parallel_assignment.rb b/lib/rubocop/cop/style/parallel_assignment.rb
index 86d72197170..bb6d1b31f34 100644
--- a/lib/rubocop/cop/style/parallel_assignment.rb
+++ b/lib/rubocop/cop/style/parallel_assignment.rb
@@ -164,7 +164,12 @@ def dependency?(lhs, rhs)
           # Does `rhs` access the same value which is assigned by `lhs`?
           def accesses?(rhs, lhs)
             if lhs.method?(:[]=)
-              matching_calls(rhs, lhs.receiver, :[]).any?(lhs.arguments)
+              # FIXME: Workaround `rubocop:disable` comment for JRuby.
+              # rubocop:disable Performance/RedundantEqualityComparisonBlock
+              matching_calls(rhs, lhs.receiver, :[]).any? do |args|
+                args == lhs.arguments
+              end
+              # rubocop:enable Performance/RedundantEqualityComparisonBlock
             else
               access_method = lhs.method_name.to_s.chop.to_sym
               matching_calls(rhs, lhs.receiver, access_method).any?