diff --git a/src/topic_partition_list.cpp b/src/topic_partition_list.cpp
index 72f5cd6..67e0b8e 100644
--- a/src/topic_partition_list.cpp
+++ b/src/topic_partition_list.cpp
@@ -38,6 +38,7 @@ using std::vector;
 using std::set;
 using std::ostream;
 using std::string;
+using std::equal;
 
 namespace cppkafka {