diff -r c03c338a7dcf -r cc2170ea05ad ui/common/context.c
--- a/ui/common/context.c	Fri Nov 10 17:17:14 2017 +0100
+++ b/ui/common/context.c	Fri Nov 10 18:04:40 2017 +0100
@@ -117,6 +117,7 @@
     UcxMapIterator i = ucx_map_iterator(docctx->vars);
     UiVar *var;
     UCX_MAP_FOREACH(key, var, i) {
+        uic_save_var(var);
         if(var->from) {
             // restore old root bound var val
             var->from->value = var->from->orig_val;
@@ -232,9 +233,6 @@
         case UI_VAR_INTEGER: {
             UiInteger *f = from->value;
             UiInteger *t = to->value;
-            if(!copytodoc) {
-                f->value = f->get(f);
-            }
             uic_int_copy(f, t);
             if(t->value != 0) {
                 t->set(t, t->value);
@@ -245,26 +243,17 @@
             UiString *f = from->value;
             UiString *t = to->value;
             uic_string_copy(f, t);
-            if(!copytodoc) {
-                f->value = f->get(f);
-            } else {
-                char *tvalue = t->value ? t->value : "";
-                t->set(t, tvalue);
-            }
-
+            char *tvalue = t->value.ptr ? t->value.ptr : "";
+            t->set(t, tvalue);
             break;
         }
         case UI_VAR_TEXT: {
             UiText *f = from->value;
             UiText *t = to->value;
             uic_text_copy(f, t);
-            if(!copytodoc) {
-                f->value = f->get(f);
-            } else {
-                char *tvalue = t->value ? t->value : "";
-                t->set(t, tvalue);
-                t->setposition(t, t->pos);
-            }
+            char *tvalue = t->value.ptr ? t->value.ptr : "";
+            t->set(t, tvalue);
+            t->setposition(t, t->pos);
             break;
         }
         case UI_VAR_LIST: {
@@ -276,9 +265,6 @@
         case UI_VAR_RANGE: {
             UiRange *f = from->value;
             UiRange *t = to->value;
-            if(!copytodoc) {
-                f->value = f->get(f);
-            }
             uic_range_copy(f, t);
             t->setextent(t, t->extent);
             t->setrange(t, t->min, t->max);
@@ -294,6 +280,16 @@
     }
 }
 
+void uic_save_var(UiVar *var) {
+    switch(var->type) {
+        case UI_VAR_INTEGER: uic_int_save(var->value); break;
+        case UI_VAR_STRING: uic_string_save(var->value); break;
+        case UI_VAR_TEXT: uic_text_save(var->value); break;
+        case UI_VAR_LIST: break;
+        case UI_VAR_RANGE: uic_range_save(var->value); break;
+    }
+}
+
 void uic_unbind_var(UiVar *var) {
     switch(var->type) {
         case UI_VAR_INTEGER: uic_int_unbind(var->value); break;