diff --git a/ChangeLog b/ChangeLog
index fcf459185..c6e87e876 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2010-10-08  Robert Larice
+ * src/include/ipcproto.h :
+    #ifdef include file wrapper
+
 2010-10-08  Robert Larice
  * src/include/noisedef.h ,
  * src/spicelib/devices/bjt/bjtnoise.c ,
diff --git a/src/include/ipcproto.h b/src/include/ipcproto.h
index 9b8a0b266..10f6cf7eb 100755
--- a/src/include/ipcproto.h
+++ b/src/include/ipcproto.h
@@ -1,3 +1,5 @@
+#ifndef IPCPROTO_H
+#define IPCPROTO_H
 
 /* IPC.c */
 Ipc_Boolean_t kw_match (char *keyword , char *str );
@@ -50,3 +52,4 @@ Ipc_Status_t ipc_transport_get_line (char *str , int *len , Ipc_Wait_t wait );
 Ipc_Status_t ipc_transport_terminate_server (void );
 Ipc_Status_t ipc_transport_send_line (char *str , int len );
 
+#endif