diff --git a/src/core/device.cpp b/src/core/device.cpp
index d6f576c..cc1d29d 100644
--- a/src/core/device.cpp
+++ b/src/core/device.cpp
@@ -55,6 +55,7 @@ Device::Device(std::shared_ptr<DevicePrivate> d_ptr,
 Device::Device(const Device& other)
     : QObject()
 {
+    d = std::make_shared<DevicePrivate>();
     d->m_Name = other.d->m_Name;
     d->m_DeviceNode = other.d->m_DeviceNode;
     d->m_LogicalSectorSize = other.d->m_LogicalSectorSize;