diff --git a/ChangeLog b/ChangeLog
index 13eb6003f..07e4c6ab1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2005-09-08  Paolo Nenzi <p.nenzi@ieee.org>
+
+  *  src/frontend/streams.{c,h}: applied Hitoshi's fix for undefined 
+     symbols when compiling ngspice under Linux.
+
+
 2005-09-06  Steven Borley <steven.borley@virgin.net>
 
   * Fixed alphabetic order in AUTHORS
diff --git a/src/frontend/streams.c b/src/frontend/streams.c
index 90e5881ef..5a719732b 100644
--- a/src/frontend/streams.c
+++ b/src/frontend/streams.c
@@ -17,18 +17,18 @@ bool cp_debug = FALSE;
 char cp_gt = '>';
 char cp_lt = '<';
 char cp_amp = '&';
-
-FILE *cp_in = NULL;
-FILE *cp_out = NULL;
-FILE *cp_err = NULL;
-
+/*
+FILE *cp_in=NULL;
+FILE *cp_out=NULL;
+FILE *cp_err=NULL;
+*/
 /* These are the fps that cp_ioreset resets the cp_* to.  They are
  * changed by the source routines.  */
-
+/*
 FILE *cp_curin = NULL;
 FILE *cp_curout = NULL;
 FILE *cp_curerr = NULL;
-
+*/
 /* static functions */
 static bool fileexists(char *name);
 
diff --git a/src/frontend/streams.h b/src/frontend/streams.h
index 0600b2292..651d37fb0 100644
--- a/src/frontend/streams.h
+++ b/src/frontend/streams.h
@@ -13,12 +13,12 @@ extern bool cp_debug;
 extern char cp_amp;
 extern char cp_gt;
 extern char cp_lt;
-extern FILE *cp_in;
-extern FILE *cp_out;
-extern FILE *cp_err;
-extern FILE *cp_curin;
-extern FILE *cp_curout;
-extern FILE *cp_curerr;
+FILE *cp_in;
+FILE *cp_out;
+FILE *cp_err;
+FILE *cp_curin;
+FILE *cp_curout;
+FILE *cp_curerr;
 
 void cp_ioreset(void);
 void fixdescriptors(void);