diff --git a/src/asahi/genxml/gen_pack.py b/src/asahi/genxml/gen_pack.py
index 1c4563c5e1d..d6f72e47e95 100644
--- a/src/asahi/genxml/gen_pack.py
+++ b/src/asahi/genxml/gen_pack.py
@@ -584,7 +584,7 @@ class Parser(object):
         for value in self.values:
             name = '{}_{}'.format(prefix, value.name)
             name = safe_name(name).upper()
-            print('        % -36s = %6d,' % (name, value.value))
+            print(f'   {name} = {value.value},')
         print('};\n')
 
         print("#ifndef __OPENCL_VERSION__")