diff --git a/gui.c b/gui.c
index cea74d3..e0f6375 100644
--- a/gui.c
+++ b/gui.c
@@ -4239,7 +4239,7 @@ gui_panel_tree_node(struct gui_tree *tree, enum gui_tree_node_symbol symbol,
         if (gui_input_clicked(i, &sym)) {
             if (*state & GUI_NODE_ACTIVE)
                 *state &= ~(gui_flags)GUI_NODE_ACTIVE;
-            else *state |=  (gui_flags)GUI_NODE_ACTIVE;
+            else *state |= GUI_NODE_ACTIVE;
         }
         heading = (*state & GUI_NODE_ACTIVE) ? GUI_DOWN : GUI_RIGHT;
         gui_triangle_from_direction(points, sym.x, sym.y, sym.w, sym.h, 0, 0, heading);
@@ -4254,7 +4254,7 @@ gui_panel_tree_node(struct gui_tree *tree, enum gui_tree_node_symbol symbol,
     if (gui_input_clicked(i, &label)) {
         if (*state & GUI_NODE_SELECTED)
             *state &= ~(gui_flags)GUI_NODE_SELECTED;
-        else *state |= (gui_flags)GUI_NODE_SELECTED;
+        else *state |= GUI_NODE_SELECTED;
     }
 
     {
diff --git a/gui.h b/gui.h
index 982d314..2fa13ef 100644
--- a/gui.h
+++ b/gui.h
@@ -1743,9 +1743,11 @@ struct gui_panel_layout {
     /* command draw call output command buffer */
 };
 
-#define GUI_NODE_ACTIVE 0x01
-#define GUI_NODE_SELECTED 0x02
-typedef gui_flag gui_tree_node_state;
+enum gui_tree_nodes_states {
+    GUI_NODE_ACTIVE = 0x01,
+    GUI_NODE_SELECTED = 0x02
+};
+typedef gui_flags gui_tree_node_state;
 
 enum gui_tree_node_operation {
     GUI_NODE_NOP,