1 files changed, 2 insertions, 1 deletions
diff --git a/lib/doDuring.js b/lib/doDuring.js
index 14a5ae1..c536f30 100644
--- a/lib/doDuring.js
+++ b/lib/doDuring.js
@@ -1,5 +1,6 @@
 import noop from 'lodash/noop';
 import rest from 'lodash/rest';
+import onlyOnce from './internal/onlyOnce';
 
 /**
  * The post-check version of [`during`]{@link module:ControlFlow.during}. To reflect the difference in
@@ -23,7 +24,7 @@ import rest from 'lodash/rest';
  * will be passed an error if one occured, otherwise `null`.
  */
 export default function doDuring(fn, test, callback) {
-    callback = callback || noop;
+    callback = onlyOnce(callback || noop);
 
     var next = rest(function(err, args) {
         if (err)  return callback(err);