diff --git a/src/ru/pulsar/jenkins/library/StepExecutor.groovy b/src/ru/pulsar/jenkins/library/StepExecutor.groovy
index d337aab6..b24b2c01 100644
--- a/src/ru/pulsar/jenkins/library/StepExecutor.groovy
+++ b/src/ru/pulsar/jenkins/library/StepExecutor.groovy
@@ -171,6 +171,11 @@ class StepExecutor implements IStepExecutor {
         steps.unstash name
     }
 
+    @Override
+    def unstash(String name, boolean optional) {
+        steps.unstash name: name, optional: optional
+    }
+
     @Override
     def unstable(String message) {
         steps.unstable message