diff -r 853685152c1d -r dd0ae1c62a72 ui/common/context.c
--- a/ui/common/context.c	Sun Nov 12 12:03:50 2017 +0100
+++ b/ui/common/context.c	Thu Nov 16 12:04:10 2017 +0100
@@ -218,7 +218,7 @@
             break;
         }
         case UI_VAR_LIST: {
-            val = NULL; // TODO
+            val = ui_list_new(ctx, NULL);
             break;
         }
         case UI_VAR_RANGE: {
@@ -241,13 +241,22 @@
         return;
     }
     
+    void *fromvalue = from->value;
+    // update var
+    if(copytodoc) {
+        to->from = from;
+    
+        from->orig_val = from->value;
+        from->value = to->value;
+    }
+    
     // copy binding
     // we don't copy the observer, because the from var has never one
     switch(from->type) {
         default: fprintf(stderr, "uic_copy_binding: wtf!\n"); break;
         case UI_VAR_SPECIAL: break;
         case UI_VAR_INTEGER: {
-            UiInteger *f = from->value;
+            UiInteger *f = fromvalue;
             UiInteger *t = to->value;
             if(!f->obj) break;
             uic_int_copy(f, t);
@@ -255,7 +264,7 @@
             break;
         }
         case UI_VAR_DOUBLE: {
-            UiDouble *f = from->value;
+            UiDouble *f = fromvalue;
             UiDouble *t = to->value;
             if(!f->obj) break;
             uic_double_copy(f, t);
@@ -263,7 +272,7 @@
             break;
         }
         case UI_VAR_STRING: {
-            UiString *f = from->value;
+            UiString *f = fromvalue;
             UiString *t = to->value;
             if(!f->obj) break;
             uic_string_copy(f, t);
@@ -272,7 +281,7 @@
             break;
         }
         case UI_VAR_TEXT: {
-            UiText *f = from->value;
+            UiText *f = fromvalue;
             UiText *t = to->value;
             if(!f->obj) break;
             uic_text_copy(f, t);
@@ -282,14 +291,14 @@
             break;
         }
         case UI_VAR_LIST: {
-            UiList *f = from->value;
+            UiList *f = fromvalue;
             UiList *t = to->value;
             if(!f->obj) break;
             uic_list_copy(f, t);
             t->update(t, -1);
         }
         case UI_VAR_RANGE: {
-            UiRange *f = from->value;
+            UiRange *f = fromvalue;
             UiRange *t = to->value;
             if(!f->obj) break;
             uic_range_copy(f, t);
@@ -298,13 +307,6 @@
             t->set(t, t->value);
         }
     }
-    
-    if(copytodoc) {
-        to->from = from;
-    
-        from->orig_val = from->value;
-        from->value = to->value;
-    }
 }
 
 void uic_save_var(UiVar *var) {