diff --git a/ChangeLog b/ChangeLog
index 2dc940d83..eaf24cd69 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu Apr 15 10:50:00 1999  Richard Frith-Macdonald <richard@brainstorm.co.uk>
+
+	* Source/include/NSHost.h: Use #ifdefs to prevent multiple inclusion.
+
 Thu Apr 15  9:47:00 1999  Richard Frith-Macdonald <richard@brainstorm.co.uk>
 
 	* Source/UnixFileHandle.m: ([-fileDescriptor]) return a valid file
diff --git a/Headers/gnustep/base/NSHost.h b/Headers/gnustep/base/NSHost.h
index 0c620ed1d..00d20ace5 100644
--- a/Headers/gnustep/base/NSHost.h
+++ b/Headers/gnustep/base/NSHost.h
@@ -20,6 +20,8 @@
    License along with this library; if not, write to the Free
    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
    */ 
+#ifndef __NSHost_h_GNUSTEP_BASE_INCLUDE
+#define __NSHost_h_GNUSTEP_BASE_INCLUDE
 
 #include <base/preface.h>
 
@@ -76,3 +78,6 @@
 - (NSArray*) addresses;
 
 @end
+
+#endif
+