diff --git a/src/st/st-theme-node.c b/src/st/st-theme-node.c
index 9bfa39f50..22b383373 100644
--- a/src/st/st-theme-node.c
+++ b/src/st/st-theme-node.c
@@ -54,6 +54,8 @@ st_theme_node_init (StThemeNode *node)
   node->background_shadow_material = COGL_INVALID_HANDLE;
   node->border_slices_texture = COGL_INVALID_HANDLE;
   node->border_slices_material = COGL_INVALID_HANDLE;
+
+  st_theme_node_paint_state_init (&node->cached_state);
 }
 
 static void