diff --git a/include/LogVisor/LogVisor.hpp b/include/LogVisor/LogVisor.hpp
index 255b5f8..70f1e48 100644
--- a/include/LogVisor/LogVisor.hpp
+++ b/include/LogVisor/LogVisor.hpp
@@ -4,6 +4,7 @@
 #include <stdarg.h>
 #include <string.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <vector>
 #include <atomic>
 #include <memory>