diff --git a/include/yaml-cpp/parser.h b/include/yaml-cpp/parser.h
index 2f403c350..1866e3078 100644
--- a/include/yaml-cpp/parser.h
+++ b/include/yaml-cpp/parser.h
@@ -7,7 +7,7 @@
 #pragma once
 #endif
 
-#include <ios>
+#include <iostream>
 #include <memory>
 
 #include "yaml-cpp/dll.h"