diff --git a/meson.options b/meson.options
index 4459290..d458978 100644
--- a/meson.options
+++ b/meson.options
@@ -17,7 +17,7 @@
     'tests', type: 'feature', description: 'Build tests.',
 )
 option(
-    'long-tests', type: 'feature',
+    'long-tests', type: 'feature', value: 'disabled',
     description: 'Build long-running tests that are excluded from CI.',
 )