diff --git a/project.json b/project.json
index d094fec..d01dfa2 100644
--- a/project.json
+++ b/project.json
@@ -110,7 +110,8 @@
             "name": "lib-vulkan-windows",
             "extends": ["vulkan-windows", "deps"],
             "type": "library",
-            "target": "x86_64-w64-mingw32"
+            "target": "x86_64-w64-mingw32",
+            "march": "x86-64"
         },
         {
             "name": "lib-vulkan-timing",