diff --git a/tools/spec.py b/tools/spec.py
index 059ee5a..aaff279 100644
--- a/tools/spec.py
+++ b/tools/spec.py
@@ -675,6 +675,7 @@ if __name__ == '__main__':
         target = "parse_%s" % node.tag
         globals()[target](reg, node)
 
+    reg.types['windows.h'].name = 'cruft/util/win32/windows.hpp'
     reg.types['void*'] = placeholder('void*')
     reg.types['nullptr'] = placeholder('nullptr')
     reg.types['VkEnum'] = aliastype('VkEnum', 'int32_t')