diff --git a/meson.build b/meson.build
index d6344dda5a..3a1fe0b471 100644
--- a/meson.build
+++ b/meson.build
@@ -320,7 +320,7 @@ endif
 features += {'noexecstack': noexecstack}
 
 features += {'build-date': get_option('build-date')}
-if features['build-date']
+if not features['build-date']
     flags += '-DNO_BUILD_TIMESTAMPS'
 endif