diff --git a/x11/vulkan/vulkan/actions.py b/x11/vulkan/vulkan/actions.py
index 051dace01b..9d99724609 100755
--- a/x11/vulkan/vulkan/actions.py
+++ b/x11/vulkan/vulkan/actions.py
@@ -75,6 +75,7 @@ def setup():
         shelltools.cd("build")
         
         loader_opts += "-DCMAKE_INSTALL_LIBDIR=lib \
+                        -DSPIRV_HEADERS_INSTALL_DIR='/usr/include/spirv' \
                        "
                        
         cmaketools.configure(loader_opts, sourceDir="..")