diff --git a/meson_options.txt b/meson_options.txt
index 635fb07..5587317 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -1,7 +1,7 @@
-option('tests', type: 'feature', description: 'Build tests')
-option('nlmode', type: 'feature', description: 'no run-time control')
-
-option('phal', type: 'feature', value : 'disabled',
+option('tests', type : 'feature', description : 'Build tests')
+option('nlmode', type : 'feature', description : 'no run-time control')
+option('phal', type : 'feature', value : 'disabled',
         description : '''Enable PHAL APIs for retrieving data from the POWER
                          Systems device tree''')
-
+option('attn_config', type : 'string', value : '',
+        description : '''Attention handler default configuration override''')