diff --git a/BUILD.gn b/BUILD.gn
index 48182b6..fe551f4 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -27,8 +27,8 @@ config("vulkan_headers_config") {
   }
   if (defined(vulkan_use_wayland) && vulkan_use_wayland) {
     defines += [ "VK_USE_PLATFORM_WAYLAND_KHR" ]
-    if (defined(vulkan_wayland_include_dir)) {
-      include_dirs += [ "$vulkan_wayland_include_dir" ]
+    if (defined(vulkan_wayland_include_dirs)) {
+      include_dirs += vulkan_wayland_include_dirs
     }
   }
   if (is_android) {