diff --git a/scripts/config.py b/scripts/config.py
index 69ee3ef50e..9e546f7671 100755
--- a/scripts/config.py
+++ b/scripts/config.py
@@ -420,7 +420,7 @@ class CombinedConfig(config_common.Config):
                 raise ValueError(f'Feature is unstable: \'{name}\'')
 
             # The default value in the crypto config is '1'
-            if not value:
+            if not value and re.match(self._crypto_regexp, name):
                 value = '1'
 
         if name not in self.settings: