diff --git a/scripts/dawn_overrides_with_defaults.gni b/scripts/dawn_overrides_with_defaults.gni
index 35a8baf..c667693 100644
--- a/scripts/dawn_overrides_with_defaults.gni
+++ b/scripts/dawn_overrides_with_defaults.gni
@@ -54,6 +54,14 @@
   dawn_swiftshader_dir = ""
 }
 
+if (!defined(dawn_vulkan_headers_dir)) {
+  dawn_vulkan_headers_dir = "//third_party/vulkan-deps/vulkan-headers/src"
+  if (dawn_standalone) {
+    dawn_vulkan_headers_dir =
+        "${dawn_root}/third_party/vulkan-deps/vulkan-headers/src"
+  }
+}
+
 if (!defined(dawn_vulkan_loader_dir)) {
   # Default to the Vulkan loader not being available except in standalone.
   dawn_vulkan_loader_dir = ""