diff --git a/src/slic3r/GUI/Jobs/BoostThreadWorker.cpp b/src/slic3r/GUI/Jobs/BoostThreadWorker.cpp
index 7111eb7ba4..f0ebf7baf4 100644
--- a/src/slic3r/GUI/Jobs/BoostThreadWorker.cpp
+++ b/src/slic3r/GUI/Jobs/BoostThreadWorker.cpp
@@ -176,10 +176,11 @@ bool BoostThreadWorker::wait_for_idle(unsigned timeout_ms)
 
 bool BoostThreadWorker::push(std::unique_ptr<Job> job)
 {
-    if (job)
-        m_input_queue.push(JobEntry{std::move(job)});
+    if (!job)
+        return false;
 
-    return bool{job};
+    m_input_queue.push(JobEntry{std::move(job)});
+    return true;
 }
 
 }} // namespace Slic3r::GUI