diff --git a/src/system/piintrospection.cpp b/src/system/piintrospection.cpp
index c3ba6655..af4481c3 100644
--- a/src/system/piintrospection.cpp
+++ b/src/system/piintrospection.cpp
@@ -19,6 +19,7 @@
 
 #include "piintrospection.h"
 #include "pisysteminfo.h"
+#include <stdlib.h>
 
 
 PIIntrospectionContainers::PIIntrospectionContainers() {