diff --git a/src/helpers/wayland_wrapper/kwin_wrapper.cpp b/src/helpers/wayland_wrapper/kwin_wrapper.cpp
index 74778e8258..74de94d786 100644
--- a/src/helpers/wayland_wrapper/kwin_wrapper.cpp
+++ b/src/helpers/wayland_wrapper/kwin_wrapper.cpp
@@ -82,6 +82,7 @@ KWinWrapper::~KWinWrapper()
 {
     wl_socket_destroy(m_socket);
     if (m_kwinProcess) {
+        disconnect(m_kwinProcess, nullptr, this, nullptr);
         m_kwinProcess->terminate();
         m_kwinProcess->waitForFinished();
         m_kwinProcess->kill();