diff --git a/src/app/commands/filters/filter_preview.cpp b/src/app/commands/filters/filter_preview.cpp
index c5cf4bf7d..828c313aa 100644
--- a/src/app/commands/filters/filter_preview.cpp
+++ b/src/app/commands/filters/filter_preview.cpp
@@ -60,6 +60,8 @@ void FilterPreview::stop()
 
 void FilterPreview::restartPreview()
 {
+  stop();
+
   base::scoped_lock lock(m_filterMgrMutex);
 
   m_filterMgr->beginForPreview();