diff --git a/viewer/JFJochImageReadingWorker.cpp b/viewer/JFJochImageReadingWorker.cpp
index 67062c67..549e51b5 100644
--- a/viewer/JFJochImageReadingWorker.cpp
+++ b/viewer/JFJochImageReadingWorker.cpp
@@ -601,7 +601,7 @@ void JFJochImageReadingWorker::SubtractROIFromUserMask() {
 
 void JFJochImageReadingWorker::ClearUserMask() {
     QMutexLocker locker(&m);
-    if (!roi || !current_image_ptr)
+    if (!current_image_ptr)
         return;
 
     auto user_mask = std::vector<uint32_t>(current_image_ptr->Dataset().experiment.GetXPixelsNum() * current_image_ptr->Dataset().experiment.GetYPixelsNum(), 0);