diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index e7a574be5f0..57c4cdf4d78 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2015-06-09  Gary Benson <gbenson@redhat.com>
+
+	* common/fileio.c (fileio_mode_pack): Fix preprocessor
+	conditional.
+
 2015-06-05  Gary Benson <gbenson@redhat.com>
 
 	* gdb_bfd.c (gdb_bfd_open): Move vgdb special case to...
diff --git a/gdb/common/fileio.c b/gdb/common/fileio.c
index 28335ecf3c8..ef00ea871e7 100644
--- a/gdb/common/fileio.c
+++ b/gdb/common/fileio.c
@@ -132,7 +132,7 @@ fileio_mode_pack (mode_t mode)
   if (mode & S_IRGRP)
     tmode |= FILEIO_S_IRGRP;
 #endif
-#ifdef S_IWRGRP
+#ifdef S_IWGRP
   if (mode & S_IWGRP)
     tmode |= FILEIO_S_IWGRP;
 #endif