diff --git a/ChangeLog b/ChangeLog
index d1a41b945..3c5454621 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2010-10-15  Robert Larice
+ * src/ciderlib/input/output.c :
+    visibility for tildexpand() prototyp
+
 2010-10-15  Robert Larice
  * src/frontend/com_measure2.c ,
  * src/frontend/com_sysinfo.c ,
diff --git a/src/ciderlib/input/output.c b/src/ciderlib/input/output.c
index 0b2e10c30..9bc697870 100644
--- a/src/ciderlib/input/output.c
+++ b/src/ciderlib/input/output.c
@@ -12,6 +12,7 @@ Modified: 2001 Paolo Nenzi
 #include "devdefs.h"
 #include "sperror.h"
 #include "suffix.h"
+#include "src/misc/tilde.h"
 
 extern int OUTPnewCard(void**,void*);
 extern int OUTPparam(int,IFvalue*,void*);