1 files changed, 2 insertions, 0 deletions
diff --git a/lib/during.js b/lib/during.js
index cda9979..02da045 100644
--- a/lib/during.js
+++ b/lib/during.js
@@ -45,11 +45,13 @@ export default function during(test, fn, callback) {
 
     function next(err) {
         if (err) return callback(err);
+        if (err === false) return;
         _test(check);
     }
 
     function check(err, truth) {
         if (err) return callback(err);
+        if (err === false) return;
         if (!truth) return callback(null);
         _fn(next);
     }