1 files changed, 1 insertions, 0 deletions
diff --git a/phpcpp.h b/phpcpp.h
index 428e0da..74e65fd 100644
--- a/phpcpp.h
+++ b/phpcpp.h
@@ -20,6 +20,7 @@
 #include <memory>
 #include <list>
 #include <exception>
+#include <map>
 
 /**
  *  Include all headers files that are related to this library