diff --git a/ChangeLog b/ChangeLog
index a6891afab..ce3d80dd5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2010-10-08  Robert Larice
+ * src/frontend/inpcom.c ,
+ * src/frontend/numparam/xpressn.c ,
+ * src/include/compatmode.h :
+    ngspice_compat_mode() prototype  -->  include files
+
 2010-10-08  Robert Larice
  * src/include/distodef.h ,
  * src/spicelib/devices/bjt/bjtdset.c ,
diff --git a/src/frontend/inpcom.c b/src/frontend/inpcom.c
index 5aba8bd7e..a479e3968 100644
--- a/src/frontend/inpcom.c
+++ b/src/frontend/inpcom.c
@@ -89,8 +89,6 @@ int dynMaxckt = 0; /* subckt.c 307 */
 /* number of parameter substitutions */
 long dynsubst; /* spicenum.c 221 */
 
-extern COMPATMODE_T ngspice_compat_mode(void) ;
-
 /* static declarations */
 static char * readline(FILE *fd);
 static int  get_number_terminals( char *c );
diff --git a/src/frontend/numparam/xpressn.c b/src/frontend/numparam/xpressn.c
index c9ba379b4..4093c236f 100644
--- a/src/frontend/numparam/xpressn.c
+++ b/src/frontend/numparam/xpressn.c
@@ -18,7 +18,6 @@
 
 /* random numbers in /maths/misc/randnumb.c */
 extern double gauss(void);
-extern COMPATMODE_T ngspice_compat_mode(void) ;
 
 void debugwarn(tdico *d, char *s);
 
diff --git a/src/include/compatmode.h b/src/include/compatmode.h
index 96299755d..40f5fd96b 100644
--- a/src/include/compatmode.h
+++ b/src/include/compatmode.h
@@ -10,4 +10,6 @@ typedef enum {
   COMPATMODE_ALL = 3,
 } COMPATMODE_T ;
 
+extern COMPATMODE_T ngspice_compat_mode(void) ;
+
 #endif