diff --git a/cpukit/libnetworking/sys/select.h b/cpukit/libnetworking/sys/select.h
index 985439ca27..0b99ba50b8 100644
--- a/cpukit/libnetworking/sys/select.h
+++ b/cpukit/libnetworking/sys/select.h
@@ -37,6 +37,8 @@
 #ifndef _SYS_SELECT_H_
 #define	_SYS_SELECT_H_
 
+#include <sys/time.h> /* struct timeval */
+
 #ifdef __cplusplus
 extern "C" {
 #endif