diff --git a/src/register/combocell-gtk.c b/src/register/combocell-gtk.c
index 21dc64f9e0..19cb8504ea 100644
--- a/src/register/combocell-gtk.c
+++ b/src/register/combocell-gtk.c
@@ -45,6 +45,7 @@
 #define SET(cell,str) { 			\
    if ((cell)->value) free ((cell)->value);	\
    (cell)->value = strdup (str);		\
+   (cell)->changed = 0xffffffff;                \
 }
 
 typedef struct _PopBox {