diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 616fe9451..5903c32b6 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,6 +1,13 @@
 2003-11-21  Christopher Faylor  <cgf@redhat.com>
 
-	* msg.cc: Always include signal.h to handle SIGSYS raise when !USE_SERVER.
+	* sem.cc: Always include signal.h to handle SIGSYS raise when
+	!USE_SERVER.
+	* shm.cc: Ditto.
+
+2003-11-21  Christopher Faylor  <cgf@redhat.com>
+
+	* msg.cc: Always include signal.h to handle SIGSYS raise when
+	!USE_SERVER.
 
 2003-11-20  Christopher Faylor  <cgf@redhat.com>
 
diff --git a/winsup/cygwin/sem.cc b/winsup/cygwin/sem.cc
index dfe28908f..f7823b0fc 100644
--- a/winsup/cygwin/sem.cc
+++ b/winsup/cygwin/sem.cc
@@ -10,6 +10,7 @@ details. */
 
 #include "winsup.h"
 #include "cygerrno.h"
+#include <signal.h>
 #ifdef USE_SERVER
 #include <sys/types.h>
 #include <stdio.h>
diff --git a/winsup/cygwin/shm.cc b/winsup/cygwin/shm.cc
index bec74ad03..34fb6e1c6 100644
--- a/winsup/cygwin/shm.cc
+++ b/winsup/cygwin/shm.cc
@@ -10,6 +10,7 @@ details. */
 
 #include "winsup.h"
 #include "cygerrno.h"
+#include <signal.h>
 #ifdef USE_SERVER
 #include <sys/types.h>
 #include <sys/queue.h>