diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6547e8930796..0fc7e368d265 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Mon Apr 12 19:15:17 1999  Daniel Jacobowitz <dan@debian.org>
+
+	* rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Add missing backslash.
+
 Mon Apr 12 19:11:38 1999  Mumit Khan  <khan@xraylith.wisc.edu>
 
 	* i386/cygwin.h (SUBTARGET_SWITCHES): Add -mconsole; fix
diff --git a/gcc/config/rs6000/sysv4.h b/gcc/config/rs6000/sysv4.h
index 75729e3f3c22..0a697027f68c 100644
--- a/gcc/config/rs6000/sysv4.h
+++ b/gcc/config/rs6000/sysv4.h
@@ -1330,7 +1330,7 @@ do {									\
 
 #ifndef CPP_OS_LINUX_SPEC
 #define CPP_OS_LINUX_SPEC "-D__unix__ -D__linux__ \
-%{!undef:%{!ansi:%{!std=*:-Dunix -Dlinux}%{std=gnu*:-Dunix -Dlinux}}}
+%{!undef:%{!ansi:%{!std=*:-Dunix -Dlinux}%{std=gnu*:-Dunix -Dlinux}}} \
 -Asystem(unix) -Asystem(posix)"
 #endif