diff --git a/taglib/ogg/oggpageheader.cpp b/taglib/ogg/oggpageheader.cpp
index 0769c280..8c1cbad1 100644
--- a/taglib/ogg/oggpageheader.cpp
+++ b/taglib/ogg/oggpageheader.cpp
@@ -19,6 +19,8 @@
  *   USA                                                                   *
  ***************************************************************************/
 
+#include <stdlib.h>
+
 #include <bitset>
 
 #include <tstring.h>