diff --git a/tests/sidebar/ut_readerimagethreadpoolmanager.cpp b/tests/sidebar/ut_readerimagethreadpoolmanager.cpp
index 7ad48b34a..4c4ce58b7 100644
--- a/tests/sidebar/ut_readerimagethreadpoolmanager.cpp
+++ b/tests/sidebar/ut_readerimagethreadpoolmanager.cpp
@@ -169,6 +169,8 @@ TEST_F(UT_ReaderImageThreadPoolManager, UT_onTaskFinished)
     param.receiver = new QObject();
     param.slotFun = "dummySlot";
 
+    QObject::connect(sheet, &QObject::destroyed, m_tester, &ReaderImageThreadPoolManager::onDocProxyDestroyed);
+
     QImage img(10, 10, QImage::Format_ARGB32);
     m_tester->onTaskFinished(param, img);
 
@@ -193,6 +195,8 @@ TEST_F(UT_ReaderImageThreadPoolManager, UT_addgetDocImageTask)
     param.receiver = receiver;
     param.slotFun = "dummySlot";
 
+    QObject::connect(sheet, &QObject::destroyed, m_tester, &ReaderImageThreadPoolManager::onDocProxyDestroyed);
+
     m_tester->addgetDocImageTask(param);
 
     // Calling again with same params should be skipped (duplicate)