diff --git a/assets/parser.c.erb b/assets/parser.c.erb
index 0d16a9f..724b5e9 100644
--- a/assets/parser.c.erb
+++ b/assets/parser.c.erb
@@ -707,12 +707,12 @@ typedef struct
     /** Parser state ID. */
     size_t state_id;
 
-    /** Parser value from this state. */
-    <%= @grammar.prefix %>value_t pvalue;
-
 <% if @grammar.tree %>
     /** tree node. */
     void * tree_node;
+<% else %>
+    /** Parser value from this state. */
+    <%= @grammar.prefix %>value_t pvalue;
 <% end %>
 } state_value_t;
 
diff --git a/assets/parser.d.erb b/assets/parser.d.erb
index 298c4f1..46da513 100644
--- a/assets/parser.d.erb
+++ b/assets/parser.d.erb
@@ -882,12 +882,12 @@ private struct state_value_t
     /** Parser state ID. */
     size_t state_id;
 
-    /** Parser value from this state. */
-    <%= @grammar.prefix %>value_t pvalue;
-
 <% if @grammar.tree %>
     /** Tree node. */
     void * tree_node;
+<% else %>
+    /** Parser value from this state. */
+    <%= @grammar.prefix %>value_t pvalue;
 <% end %>
 
     this(size_t state_id)