diff --git a/common/osdep.h b/common/osdep.h
index 2e35832bea4d83d2c52ec28d18d13f247c56764a..111039bc50de865ca708b174f41c6303c5543ce7 100644
--- a/common/osdep.h
+++ b/common/osdep.h
@@ -34,6 +34,7 @@
 #include <sys/stat.h>
 #include <inttypes.h>
 #include <stdarg.h>
+#include <stdlib.h>
 
 #include "config.h"