Index: trunk/src_plugins/lib_gtk_common/wt_coord_entry.c
===================================================================
--- trunk/src_plugins/lib_gtk_common/wt_coord_entry.c	(revision 20963)
+++ trunk/src_plugins/lib_gtk_common/wt_coord_entry.c	(revision 20964)
@@ -113,20 +113,23 @@
 static gboolean ghid_coord_entry_output_cb(pcb_gtk_coord_entry_t * ce, gpointer data)
 {
 	GtkAdjustment *adj = ce->adj;
-	double value = gtk_adjustment_get_value(adj);
+	double ovdbl, value = gtk_adjustment_get_value(adj);
 	const char *orig;
 	char text[128], *suffix = NULL;
 	const pcb_unit_t *orig_unit;
+	pcb_coord_t orig_val;
 
 	orig = gtk_entry_get_text(GTK_ENTRY(ce));
-	strtod(orig, &suffix);
+	ovdbl = strtod(orig, &suffix);
 	orig_unit = get_unit_struct(suffix);
 
 	if ((suffix != NULL) && (*suffix != '\0') && (orig_unit != NULL) && (ce->unit != orig_unit))
 		pcb_gtk_coord_entry_set_unit(ce, orig_unit);
 
-	pcb_snprintf(text, sizeof(text), "%.*f %s", ce->unit->default_prec, value, ce->unit->suffix);
-	gtk_entry_set_text(GTK_ENTRY(ce), text);
+	if (value != ovdbl) {
+		pcb_snprintf(text, sizeof(text), "%.*f %s", ce->unit->default_prec, value, ce->unit->suffix);
+		gtk_entry_set_text(GTK_ENTRY(ce), text);
+	}
 
 	return TRUE;
 }