diff --git a/share/qtcreator/qml/qmlpuppet/container/imagecontainer.cpp b/share/qtcreator/qml/qmlpuppet/container/imagecontainer.cpp
index b556620c54f..38d8a282b2e 100644
--- a/share/qtcreator/qml/qmlpuppet/container/imagecontainer.cpp
+++ b/share/qtcreator/qml/qmlpuppet/container/imagecontainer.cpp
@@ -98,7 +98,8 @@ static SharedMemory *createSharedMemory(qint32 key, int byteCount)
         sharedMemory = new SharedMemory(QString(imageKeyTemplateString).arg(key));
         bool sharedMemoryIsCreated = sharedMemory->create(byteCount);
         if (sharedMemoryIsCreated) {
-            globalSharedMemoryContainer()->insert(key, sharedMemory);
+            if (!globalSharedMemoryContainer()->insert(key, sharedMemory))
+                return nullptr;
         } else {
             delete sharedMemory;
             sharedMemory = nullptr;