diff --git a/src/box-layout-node.c b/src/box-layout-node.c
index 6355042..7b6dbc9 100644
--- a/src/box-layout-node.c
+++ b/src/box-layout-node.c
@@ -143,6 +143,14 @@ int box_layout_handle(UINode *component, enum UIEvent ev, size_t d, void *p)
     return 0;
 }
 
+void box_layout_set_margins(UIBoxLayoutNode *layout, double margin)
+{
+    layout->margin_top = margin;
+    layout->margin_left = margin;
+    layout->margin_bottom = margin;
+    layout->margin_right = margin;
+}
+
 UIBoxLayoutNode *box_layout_new(UINode *parent, enum UIDirection direction)
 {
     UIBoxLayoutNode *n = malloc(sizeof(UIBoxLayoutNode));
diff --git a/src/box-layout-node.h b/src/box-layout-node.h
index be7327f..078f409 100644
--- a/src/box-layout-node.h
+++ b/src/box-layout-node.h
@@ -10,6 +10,7 @@ typedef struct UIBoxLayoutNode {
 } UIBoxLayoutNode;
 
 UIBoxLayoutNode *box_layout_new(UINode *parent, enum UIDirection direction);
+void box_layout_set_margins(UIBoxLayoutNode *layout, double margin);
 int box_layout_handle(UINode *component, enum UIEvent ev, size_t d, void *p);
 
 #endif // _UI__BOX_LAYOUT_NODE_H