diff --git a/src/freedreno/registers/adreno/meson.build b/src/freedreno/registers/adreno/meson.build
index 7f15de915ec..78204a9e67b 100644
--- a/src/freedreno/registers/adreno/meson.build
+++ b/src/freedreno/registers/adreno/meson.build
@@ -32,7 +32,7 @@ foreach f : xml_files
     _name,
     input: [gen_header_py, f, freedreno_schema, freedreno_copyright],
     output: _name,
-    command: [prog_python, '@INPUT0@', '--rnn', rnn_src_path, '--xml', '@INPUT1@', 'c-defines'],
+    command: [prog_python, '@INPUT0@', '--validate', '--rnn', rnn_src_path, '--xml', '@INPUT1@', 'c-defines'],
     capture: true,
   )
   _gzname = f + '.gz'
diff --git a/src/freedreno/registers/meson.build b/src/freedreno/registers/meson.build
index d6b91a22ef6..d044707834e 100644
--- a/src/freedreno/registers/meson.build
+++ b/src/freedreno/registers/meson.build
@@ -22,7 +22,7 @@ foreach f : xml_files
     _name,
     input: [gen_header_py, f, freedreno_schema, freedreno_copyright],
     output: _name,
-    command: [prog_python, '@INPUT0@', '--rnn', rnn_src_path, '--xml', '@INPUT1@', 'c-defines'],
+    command: [prog_python, '@INPUT0@', '--validate', '--rnn', rnn_src_path, '--xml', '@INPUT1@', 'c-defines'],
     capture: true,
   )
 endforeach