diff --git a/src/EventEmitter/EventEmitter.h b/src/EventEmitter/EventEmitter.h
index b1d32f1..df379ea 100755
--- a/src/EventEmitter/EventEmitter.h
+++ b/src/EventEmitter/EventEmitter.h
@@ -1,3 +1,4 @@
+#include <vector>
 #include <map>
 #include "Listener.h"