diff --git a/src/libslic3r/PrintObject.cpp b/src/libslic3r/PrintObject.cpp
index f44fdba5f..06137a7ec 100644
--- a/src/libslic3r/PrintObject.cpp
+++ b/src/libslic3r/PrintObject.cpp
@@ -480,7 +480,7 @@ void PrintObject::alert_when_supports_needed()
         }
 
         BOOST_LOG_TRIVIAL(debug) << "posAlertWhenSupportsNeeded - end";
-        this->set_done(posSupportSpotsSearch);
+        this->set_done(posAlertWhenSupportsNeeded);
     }
 }